MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous external URIs pointing to compromised websites and link farms, suggesting a phishing or malware distribution attempt. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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=words+their+way+syllables+and+affixes
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/4100dd34396fe5d3eb330d5eb9d98f41/44410554678.pdf
- http://gpmpoolandspa.com/ckfinder/userfiles/files/35127526840.pdf
- http://work4shop.cz/userfiles/file/fipekitopesugukupesanebez.pdf
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/a996htt6hgrdub36ai58fniibd/xoxudavenemukodogakan.pdf
- http://arci-mp.fr/admin/File/jibazipaxovolavotod.pdf
- https://aedwea.com/upload/foto/gileburusijekowani.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da25f3b1841---10046993575.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/5f711d53b5ab31997a32c16864f16f91/xodatoxitikidis.pdf
- https://cbdc.co/uploads/ckfinder/userfiles/files/xufazofu.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160831cf1624c2---89432461775.pdf
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607642d689e39---zumakeveroteredikovifijun.pdf
- http://hilimall.ae/uploads/files/39734149936.pdf
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607276e1af51e---wusuxulefuvavine.pdf
- http://airconbank.com/upload/fckeditor/file/mowojedevajamufomaw.pdf
- http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/domutikovikefetedomigib.pdf
- http://dongshengcable.com/images/upload/File/92060119578.pdf
- http://sotel-perm.ru/site/file/62518724309.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/d40fcdd3a7a789210ad7f5da83ec5984/27017717601.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a0f5c9c9d---79355174536.pdf
- http://aarogyamedico.com/userfiles/file/56477733798.pdf
- https://soechi.net/userfiles/file/70725008197.pdf
- http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/mejutopi.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160c488b2ac0ff---golekulu.pdf
- http://getem.plfiles/file/tafadowanazaledez.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_off0000c1b5.binbfe78ba3de3e7acac53cb39d1d5a9a3edf278e881a7b0a2cb6369b348f72b264 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1B5 | 16200 bytes |
font_01_sfnt_off0000ec3e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC3E | 16792 bytes |
font_02_sfnt_off00010455.bin974a3edb471e3326f1ecaa8c79b3e4d61f633d2e9d01f8b8795622b8ca2202b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10455 | 10884 bytes |
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