MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous embedded URLs, many of which point to compromised websites or are part of a link farm hosted on disposable domains. This suggests the PDF is designed to lure users to malicious sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://texmet.pl/userimages/file/57160732191.pdf
- http://axiomestates.com/userfiles/file/3973468875.pdf
- http://usairsprings.com/userfiles/file/lakolapafudufizapine.pdf
- http://www.alex-vasilkov.ru/images/wisdom/file/53164880533.pdf
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16096f9cf67402---27820244449.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609b228e18e2d---suduwanugo.pdf
- https://frigosztufi.ro/ckfinder/userfiles/files/wewasemajugoliwer.pdf
- http://yaqeen-eg.com/userfiles/file/90261070673.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160c3e6c1b227d---mukojezifosutapof.pdf
- http://evergladesharvesting.com/ckfinder/userfiles/files/75784563314.pdf
- http://autowagon.it/userfiles/files/16962308910.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb68d54cdf---60038433874.pdf
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/a911ffaad5b9ef0c1e3e8d53f74824ee/46988558707.pdf
- http://run2endalz.org/clients/2/2b/2b4973775a35d8819257a28a16fdea67/File/subisun.pdf
- http://rjt1.org/upload/files/760283609.pdf
- http://barcelonasixtytwo.com/userfiles/file/65131655897.pdf
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/q09piavmcqhos6gj96485oc3qs/3824750372.pdf
- http://emachn.com/data/attachment/file/liliziloxixipilep.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/sol1nool2f75ao89gfvt486009/vepesoteteni.pdf
- https://xosobacninh.vn/webroot/img/files/68660672343.pdf
- http://studiotecnicoarduini.eu/userfiles/files/wanor.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354271eedd2---13396675649.pdf
- https://www.profiemg.cz/upload/ck/files/56249096773.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=modul+praktikum+mekanika+tanah+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_off0000d344.bin7af74e0dd5051bc125d2fc8bc1f577238babb04a999cb55339cd64d136674b2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD344 | 10780 bytes |
font_01_sfnt_off0000ebd7.bin150e3472b71d362092e58fb6971a766512e6782d3d329c3582e5c38627b86d3a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD7 | 17416 bytes |
font_02_sfnt_off00011989.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11989 | 16792 bytes |
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