MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites acting as a link farm. These elements suggest the document is designed to trick users into downloading further malware or providing sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://laborke.ru/uplcv?utm_term=call+of+mini+zombies+2+mod+apk+download
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813812ed0e0---xugogibe.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b5f0a6a943---400535097.pdf
- http://dailyxedayhang.com/userfiles/files/surakalivig.pdf
- https://securitydm.rs/slicice/file/lekidavixida.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b2fb6b3da3f---lurixaxuvozegeb.pdf
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/kdhdstm50ueldcskpcflut20ke/5309423601.pdf
- http://market-oborudovanie.ru/upload/file/15525973596.pdf
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/83406a0aff7754f8b9575be5fd52325c/24425956583.pdf
- https://alev.az/userfiles/file/denawazodet.pdf
- https://alshaabcoop.com/userfiles/file/26857194578.pdf
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/p64760p8m52vqkd05l3kldg48u/51844890079.pdf
- http://wjvanderheidedienstverlening.nl/uploads/file/98011244691.pdf
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16077b117a33dc---19526133174.pdf
- https://newline-eg.com/userfiles/file/20597863670.pdf
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/bfe41460e7d3c479ffd4b6dab4ed1530/23168330589.pdf
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160718960eb4d3---sipozogujevivaxikajiwegi.pdf
- https://sealskinz.ru/files/file/31019278857.pdf
- http://hotechike.com/files/files/18312363008.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8bd7d7ada8---takajemobutexaledozegip.pdf
- http://brilspa.ro/userfiles/file///buxuradowapugixid.pdf
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc117b8d75---tewosajufe.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071cba1c1a42---99749955323.pdf
- https://newchat.xyz/js/ckfinder/userfiles/files/51196774337.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_off0000ef06.bin7cab153525cc1dfba35d7a50ecf2e038dc17df6c0a4db3f3556d5a20d7428f79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF06 | 21564 bytes |
font_01_sfnt_off000124fa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124FA | 16792 bytes |
font_02_sfnt_off00013d11.binb144c0403ea17f80abe4020572d9bfb903b059bbda2ffbb5f125246a6b706a85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D11 | 10988 bytes |
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