MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, likely intended to redirect users to malicious content or phishing pages. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, suggesting a deliberate effort to create a network of redirect links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://laborke.ru/uplcv?utm_term=digital+copy+of+photo+meaning
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/097cdce62586308abd05daca7465de12/84936574590.pdf
- http://amadpich.com/userfiles/file/37907336050.pdf
- http://vds-construct.pl/userfiles/file/83669672600.pdf
- http://allprintusa.com/admin/images/file/serudijule.pdf
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16073d5bb8b297---68620984168.pdf
- https://jjcfurnituremaker.com/userfiles/files/37647503986.pdf
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/427622f26484ffa3d992afdc50765e10/beworadonanerofowel.pdf
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/cc7vq9ifadge3nq35bsj4jpt6q/jixipugemese.pdf
- http://dabbleanddesign.com/clients/c/c6/c60e280709801842a26e47e23f21f170/File/marusuvonegapi.pdf
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/16087e8480a638---zadimakiladegojutige.pdf
- http://aksaaydinlatma.com/img/editor/image/file/nenufomazodave.pdf
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b9ae71af9---tadusegozukaza.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a460e624e74---67159033191.pdf
- https://medsplus.us/admin/images/file/xazamerobesivub.pdf
- https://pima-alarms.net/slicice/file/dewenatasawekabivibuxi.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7ffa1bf97---xebun.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/b1f97cd0f6005b4185cd72dc5fdbdec3/dazel.pdf
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c944102a88b---xilofavemusudenefa.pdf
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/fd5398405a5476222d0de0298ec33e5c/tibexuku.pdf
- http://astro2sphere.com/admin/images/file/zebidamemapegavoke.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/6b017d264bfc8ebbb8c3503c3941626a/kikopatadukazow.pdf
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/009377f1a9d3f52275beab9c78560b37/valudigifami.pdf
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/7e26e0f69020f0dc7a0e7112fe90af09/78617567749.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_off0000f1ce.bin6e035f7bc694341a1cd3787f242936e67a685a651a4eb6b35f310c082e9be62b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1CE | 10772 bytes |
font_01_sfnt_off00010a7b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A7B | 16792 bytes |
font_02_sfnt_off0001228d.binca1e2f653468083f8843ee1125623e43751a8686df9f6507f588a46ccae50995 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1228D | 16980 bytes |
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