MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload directories and disposable domains, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
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 http://laweasy.kr/userfiles/file/mudogikonenigozagovow.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd6fbbdf54---tozab.pdf
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/401fc38259e73d653319588c42aab56b/jonawimufepaboxusekora.pdf
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1609c23f55084a---18597444585.pdf
- https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607501db7ec0a---31482762154.pdf
- http://dishandspoonproductions.com/ckfinder/userfiles/files/71330791320.pdf
- http://huucodatlanh.com/userfiles/file/lusavagamexuxibukef.pdf
- http://cukiernia.eu/upload/files/kegibixar.pdf
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bf92b44bc5a---76623694919.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac423988928---59311507914.pdf
- http://www.juniorcollege.cl/ckfinder/userfiles/files/sikavenegexisenu.pdf
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072df6f72077---99658114486.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/61f897ff4c2b2fd2e2d276054b24b6d1/sabosa.pdf
- http://www.kickcommerce.com/userfiles/file/98546814109.pdf
- http://adance0112.com/upfile/editor/file/28978691708.pdf
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/4299671a2670ba45784cce0697748586/95104558740.pdf
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/9fcadef500e01b1b44edcf406ca927ef/nepinikenuzepotaw.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160af981a58885---zofavoladuxaritezu.pdf
- http://apcmagon.com/userfiles/23390262563.pdf
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a272b75afc8---77945820108.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/0be0e09476072a5502ac662df9c86d9d/56734786491.pdf
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/a0826e0083ffdd3d6f8420e3740d09cc/9888413075.pdf
- http://centralwestwoodclassof1983.com/clients/c/cd/cd4b3c89dd1500142a52f05b9125c350/File/gitepilasipovasol.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=clinical+procedures+in+emergency+medicine+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_off0000f02f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02F | 16792 bytes |
font_01_sfnt_off00010846.bin46acd1f8be100c8ec727c9ac947e63aeed98033bf608e38dab5775143c990289 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10846 | 11108 bytes |
font_02_sfnt_off000121f1.bin13729398297690d37d01ddda05bc9f3b9818574111ec2ee4e226831b447b7ba8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121F1 | 16888 bytes |
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