MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous URLs, many hosted on compromised or disposable domains, suggesting a link farm or phishing lure. The 'SE_CALLBACK_LURE' heuristic indicates the document may prompt users to call a number in a deceptive context. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://mnogonomerov.ru/uploads/file/fajefofifakokobovamil.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/5d4680dbdb4f285cf8e812a3664ad136/22003313174.pdf
- https://arhometutor.com/userfiles/file/fikulani.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160868d56313d4---28211293392.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b32a54cce72---23324333175.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/aa7qpb9gommrfoppkbohlpq427/temopoji.pdf
- http://liyangah.com/Upload/file/bisinaxila.pdf
- https://francoisdaulte.com/ckfinder/userfiles/files/18667508809.pdf
- http://saharun.org/uploads/ckfinder/userfiles/files/96231983309.pdf
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/b99b278d9669f8d42fe7c94c0cd80170/lokavoperagima.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/scn99bjj4mu5huovm0qkvv4oot/segitepa.pdf
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609499597c912---rotiluvewitasudupogin.pdf
- https://medsplus.us/admin/images/file/12703953311.pdf
- http://matsonconstruction.net/userfiles/file/muvomabugovolepifabete.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073781bac461---bagojategofonatijute.pdf
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/76ce17cfa5c72d150ece256eec864103/jalozobavewedepipajit.pdf
- http://01host.ru/userfiles/files/jugodoponakujeje.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=neuro+ophthalmology+review+manual+pdf
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001ce27.bin8979b6f6c5b38f4c61a68d4815400995d3f8ff8b0943ccbd63efdb3897834f1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CE27 | 5500 bytes |
font_01_sfnt_off0001e0d9.bin76fb0b8835a74ec969bebefce580c7483c221346a5c42a115fd1ccbb6d98cf71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E0D9 | 13548 bytes |
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