MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm. These links are likely designed to redirect users to phishing pages or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://huntic.ru/uplcv?utm_term=pa+ready+index
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/daarprr9l2cj8vr1offft6an61/85199830818.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea2f001193---25298534739.pdf
- https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/fffe02156120b4be574a5ed43d8eb5da/90369697528.pdf
- http://datavincity.com/uploads/ckfinder/files/pikefolo.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/4isa2fqkdp57rls6q8uii3t03o/59087086707.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609afe44ee64b---nuzuwapobubamuzir.pdf
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/c17e3108f85bc8b97c6cded91ba3820f/kebowobunupetapubex.pdf
- http://chicohigh1987.com/clients/47015/File/wowelili.pdf
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6a88ea3188---3538991905.pdf
- http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091991d2ec0b---66188422313.pdf
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f140552a3d---vuvosobijasurun.pdf
- http://fusheng-vietnam.vn/admin/webroot/upload/image/files/nagik.pdf
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/sr3refdof2b4oambc3f94t46t1/pufegamileseketewirav.pdf
- https://sasalidayanisma.org/uploads/file/susifaponarevobi.pdf
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7111c9a80a---56045316638.pdf
- https://cortopolis.ar/userfiles/file/gubozetilisubopusu.pdf
- https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/dbbvceggkoukmffn64sb41prc6/69808607299.pdf
- https://planet-for-events.de/userfiles/file/vemadi.pdf
- http://15fratrowreunion.com/clients/2/2b/2b18ccadde375fd95e9ac2d5db5aaa67/File/23861045411.pdf
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/229b91b0a938958a5c32cd080ff8f869/34237336862.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608414aa9cf2f---75921941135.pdf
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/iq6q483dn6i8hlbfm9psmo8d9j/98510793464.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c73c3b66e0a---9053646266.pdf
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607935bfca467---sujorovodujagat.pdf
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/e9ab173c532f04d9865552b3a1ace15d/17542540470.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://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_off0000f5a3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A3 | 16792 bytes |
font_01_sfnt_off00010dba.bina192909bdda7701e9cd12fc8a534706e937950be11535486abf657494b92b6ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DBA | 10024 bytes |
font_02_sfnt_off00012406.binb44991a3e9a316af720d10ab4f7c1fe88e31afaeae874ed4aa71fef9baed767c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12406 | 17276 bytes |
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