MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs and the overall structure strongly indicate an attempt to lure users to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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=several+is+which+type+of+adjective
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/716bad56d5a13f1aa83b764fa8374d08/20455995751.pdf
- https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/9aaafe69e45d0cc88973514f445ffc8b/91505373395.pdf
- http://eko-inwest.eu/upload/file/midubuf.pdf
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/075a3d127c7f2e4cbf88d9516fb4b894/namel.pdf
- http://nwatchonline.net/userfiles/file/pepaxisarobok.pdf
- http://school19-zav.ru/userfiles/file/79770440604.pdf
- http://nova-auto.com/upload/poliviwisolobe.pdf
- http://iehyun.com/editorupload/file/87735125486.pdf
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608e6871b4be9---57999381803.pdf
- http://szyldkj.com/luodan/images/userfiles/file/nakuxazoridelotemu.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c90b5a2e3d1---kogevulolakeji.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c732e191ae---zigatofavozepitim.pdf
- http://mimarkamilozkartal.com/userfiles/files/radowusaj.pdf
- https://medtek.vn/storage/file/67126494791.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/10eqkt6gn78101pk9uoj2lr1t2/juzilo.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/957243cdbd1c1793cb72bb512b3f2caa/vonizesutosibesanibew.pdf
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/6fe21e98be0108e072db73eb58ac7b75/50182017472.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/c24e8575f6b617afd72c8580e0d38900/ritodudib.pdf
- https://cursosgratuitosonline.es/wp-content/plugins/super-forms/uploads/php/files/h9dths71n6va8dm3v4f6n2o2go/gijiposisenago.pdf
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bc351ec2b3e---nilirudir.pdf
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/efum9oojqg5hntiggv6vmmacjs/4926011427.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c95c1bebe---71635591045.pdf
- http://sbs-group.co/userfiles/files/koxekesakapavoke.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_off0000f1a4.bindd93a1dd76ea4bc54623f1aa7f1ac794b5b3ecb17339838b095a2d6ad8f66865 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A4 | 18528 bytes |
font_01_sfnt_off00012228.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12228 | 16792 bytes |
font_02_sfnt_off00013a3f.bin5599b277ce5838a69f425a825045726712d9cc34887deb7e05058a844c01b4fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A3F | 11084 bytes |
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