MALICIOUS
224
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, with heuristics indicating it's a link farm pointing to compromised WordPress uploads and potentially a password-protected archive lure. The presence of multiple PDF links suggests an attempt to direct the user to external malicious content, likely to download a second-stage payload. The document body is heavily obfuscated and unreadable, preventing a more detailed analysis of its specific intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 9
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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 https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/f9f3bab807f782de9df64e583d6b6a02/87108321041.pdf In PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/0791e166ec2865163234ddc33f0a25bd/bokipawavapiwisaforidabe.pdfIn PDF document text
- https://peilimineko.com/userfiles/file/7341498976.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/eul1qc1l9s5lh7tnt2q05rfl0f/mopabamabubaz.pdfIn PDF document text
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/r8tbo2chi8bavkpbovm00gatmg/xuturezotikutetusimaba.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/t5moldi413nanes9hgq08ir3kj/fodofit.pdfIn PDF document text
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/rtgm2401c6lg1enmpjppnrcje9/35101510174.pdfIn PDF document text
- https://bearings.vn/images/ckeditor/files/remidariziw.pdfIn PDF document text
- http://hamdard.com/hamdard/app/webroot/img/ckfinder/userfiles/files/logotekovobopivivo.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae9264c3cc---22624962668.pdfIn PDF document text
- http://boxerdapolenta.com/cmsimple/images/file/88537598747.pdfIn PDF document text
- http://batiment-tunisie.com/userfiles/file/68895160856.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/05irrvlm9sk48dveagj1u9vkii/gexojelibikowimanafetelos.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/7cvbknn0t6sc0afksk7nhhlp77/gokawosumegabiwejesel.pdfIn PDF document text
- http://sluchatka-shop.cz/files/upload/files/97484137594.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/71879d143c1dac6b2bac2d7cd876ba76/vizuzuwitev.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a21bc86bd86---87717664248.pdfPDF link annotation
- http://portalcom-b2b.es/img/user///file/_0812873001620100776.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/d95adf4ab8c5b9faa81fd75571ec57b1/38519521580.pdfIn PDF document text
- https://powermailer.in/userfiles/file/55286503949.pdfIn PDF document text
- http://skncn.com/u/files/dobimukabebodopurobugoj.pdfIn PDF document text
- http://beerskiboot.de/img/upload/file/99862153410.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16078fe7d71161---zexulebokevuniwog.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/0c3e696a1334ced4ef994f8770a9e9dd/88872871418.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ebf4d74a6---63708531797.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=how+to+print+a+password+protected+pdfPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fc67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC67 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001147e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1147E | 10644 bytes |
SHA-256: 6c796d3a26d15fd3a6ecff3a85763a8b6833b00461ef2c4021a93d6849410425 |
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font_02_sfnt_off00012d01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D01 | 16860 bytes |
SHA-256: 7ac182319f279542dbf207115a41ffe1e5a933c42a8a40cba7007c499008f189 |
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