MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. The 'SE_CALLBACK_LURE' heuristic strongly suggests a callback phishing attempt, where the document prompts the user to call a phone number. While no scripts were explicitly extracted, the PDF structure and embedded URIs point to external resources, likely used to host or deliver the malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 8
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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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://fwullong.com/upfiles/editor/files/68918159846.pdf In PDF document text
- https://kimansion.com/uploads/file/11034096661.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/phbk5pcctlaftr05om0hr7stp0/lodalerefa.pdfIn PDF document text
- http://cautrucpalang.vn/webroot/img/files/wawigagoza.pdfIn PDF document text
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/t8p5p5n43jmq9euf2at0c6bi5l/49591988397.pdfIn PDF document text
- http://alltechsro.cz/files/9959215005.pdfIn PDF document text
- https://apskarota.org/userfiles/file/zovagadoxawupopu.pdfIn PDF document text
- http://keralabiblesociety.com/fck_uploads/file/25775630290.pdfIn PDF document text
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/a7945de6ad007fb5adb625c8d5812dec/tupobubewafivamizixasoti.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160a859b811d89---84716499507.pdfIn PDF document text
- http://dambi.pl/userfiles/file/98605459544.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160862053af2e3---83302949629.pdfIn PDF document text
- https://fleuriste79.fr/ckfinder/userfiles/files/58847790181.pdfIn PDF document text
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/94967f7432e2af1acabc35a6baac5d43/25647491829.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c63ad0a3a1e---jegusuzaxeviti.pdfPDF link annotation
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16089501bceaaa---35212977240.pdfIn PDF document text
- https://toolsatool.com/userfiles/files/22188370336.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/2mt9ulu0otuj9222sf1hs6as63/63711581822.pdfIn PDF document text
- http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/getemikaf.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160725fbc133c7---16058161840.pdfIn PDF document text
- http://inwallendorf.de/userfiles/file/32298433748.pdfIn PDF document text
- http://amoy-art.com/Upload/file/xegukop.pdfIn PDF document text
- http://honmamon-s.com/img_seminar/userfiles//file/88019778923.pdfIn PDF document text
- http://norilskgu.ru/userfiles/file/57441168541.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=little+river+sc+to+conway+scPDF 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_off0000dcae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCAE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C5 | 10448 bytes |
SHA-256: a7bf5c6effd513a89ac855531a0c173a1f28c97810c77c8f733b4e3aa9c649ac |
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font_02_sfnt_off00010caf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CAF | 16632 bytes |
SHA-256: b5dce00f909d17e4ba2b0dafff9600a9a4375170dcd579c4bda41ecc5d01b29e |
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