MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised websites, a common tactic for distributing malware or conducting phishing operations. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of callback lure heuristics suggests a potential social engineering aspect, aiming to trick users into calling a fraudulent support line.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 7
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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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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 http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b2b0c005f7---77543626266.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/km7a3f0lgns5e3i12orp2iuu62/40213070533.pdf
- https://hogies.com/includes/template/uploads/file/24687290059.pdf
- https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/23056101694.pdf
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed662595d9---7359489072.pdf
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160800b4ea1814---duzagofogefele.pdf
- http://vimbark.sk/editor_uploads/files/83734527952.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160769329a1af5---71739757321.pdf
- http://bbpcosmetics.com/admin/upFiles/2021-5/file/dogukebezobovag.pdf
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/3ca154287c22ae5fc3d24cbde84e4a40/xululiwakujuwigivabox.pdf
- http://gdwtechnology.com/fckeditor/file/nejomoxifufogarefitunipaj.pdf
- https://amatnieks.com/pictures/image/16918163648.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/3f90d118c5c64d2a4202c9c8908a4c4d/24491144431.pdf
- https://baoholaodong24.com/userfiles/file/19808684989.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075af80ca76e---55979955479.pdf
- https://goodline.by/userfiles/file/14326245684.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070518fc1722---92006805248.pdf
- http://dongsachhanoi.com/webroot/img/files/36688295758.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/af85edd00d02d12da443ad784f6d8606/vuwulukija.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1be404804---pukigusorezogi.pdf
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/2587f9be1c8325abb84155d419fd7bd8/vekelunaravi.pdf
- http://mobilesamara.com/img/files/file/sulegujekevelomeri.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=residential+conveyancing+paralegal
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e977.bin9ba15ab3fff63af9e3d85bf935b55f82c51fc419b1e8bb20b720eb22150b1784 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE977 | 17600 bytes |
font_01_sfnt_off000117db.bine869377ac61894ae9ef733da389bbcc5368eed4bddfdcba0758054a8785104ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117DB | 10916 bytes |
font_02_sfnt_off00013118.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13118 | 16792 bytes |
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