MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded JavaScript and multiple URLs, some of which point to compromised CMS uploads and disposable hosting, indicating a phishing or malware distribution attempt. The 'SE_CLIPBOARD_COMMAND_LURE' and 'SE_CLICKFIX' heuristics strongly suggest the document is designed to socially engineer the user into executing a command, likely to download and run a second-stage payload. The ML classifier and ClamAV detection further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
Heuristics 9
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://w3-japan.com/js/upload/files/32453792177.pdf In PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/4bgl58g0rtd7io1ebspvos848c/reditoladoso.pdfIn PDF document text
- http://axiomestates.com/userfiles/file/zotedusapifogapotaji.pdfIn PDF document text
- http://seabeachthailand.com/UserFiles/file/dunotibeberafuvamiwopaza.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4745d7fef---5949324903.pdfIn PDF document text
- http://liebherr-tr.com/userfiles/file/46109518549.pdfIn PDF document text
- https://sharadsangam.org/UserFilesTwo/file/26868296608.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/f4eb8fd747baf3ab952b0273c6a5820b/wevasuxokigub.pdfIn PDF document text
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/b7c68fbe4bf4f8749bc5bbad5120190e/dexijevuxufesufowu.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/pldil96qagvcrm30ggtibsv3rn/muzewokojumo.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160956c14da5ac---21089988217.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/tb7evi3hfn0j35me6g1n061b4u/97500124840.pdfIn PDF document text
- http://tubietelbar.hu/uploadfile/19900200889.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/no4kb8d4ctb9llo8jqdhr4ifa6/xajomiguw.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/p7k93nomeq34101bvvk975dm96/28055751566.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/45ce4af0a0c407f7c2684b9de89edcbf/kejazilusu.pdfIn PDF document text
- http://gregor-biffiger.ch/userfiles/file/timemidixumigiguw.pdfIn PDF document text
- https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/jukopo.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/9brg5oet0vre6ou278389rbr2b/narofenazovumimevakazuga.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607fdde4c09ed---54562887559.pdfIn PDF document text
- http://www.climatisur.com/ckfinder/userfiles/files/gujoze.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16088a337a6c47---webobotadugokixubupa.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/961b4e4e7b73bbc2e97cff0208192215/lasegagodoxifaxosevisi.pdfIn PDF document text
- http://skolicka.eu/foto/images/file/pamusugavabafetal.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160968cabca571---47251041353.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=force+to+quit+macbookPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ecee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECEE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010505.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10505 | 10528 bytes |
SHA-256: fb41e3a31e6ff89513896ba67e74deeece4a147e52c9dbc5d10b575cb3009720 |
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font_02_sfnt_off00011d02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D02 | 17724 bytes |
SHA-256: d0c877ce32010d29943113c36bb031e7e5a70a611d3b1d7ca10985e01969ab5f |
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font_03_sfnt_off00014b57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B57 | 9088 bytes |
SHA-256: ab5bb3ccbd70e4ecdd65f1ef9877ae22d686451fcb3dc3a8964deb3b730a8dd7 |
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