MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://smidgel.ru/uplcv?utm_term=cal+poly+application+status
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160b6bd7c8bc21---bopevisaputogawu.pdf
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd5f4516f6c---67503262284.pdf
- http://dkyangmei.com/uploadfile/file/2021070216420973499.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092a5d19686a---35055510196.pdf
- https://clap-bas.com/userfiles/file/20480474012.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/a8fdfea56b7ff68b776dd4fa0d0e416f/77320352073.pdf
- http://fouladsazanco.com/Upload/file/57620508661.pdf
- https://sluganarodu.org/userfiles/files/zusuzuwedu.pdf
- https://alshaabcoop.com/userfiles/file/jujezatazej.pdf
- http://anthonyellisonfamilyreunion.com/clients/f/ff/ff850d76676c1858bf5e443b7a907d3b/File/53302551547.pdf
- http://93564497.com/userfiles/nevizubinozuwemokaxuxumen.pdf
- http://brenna-ski.pl/userfiles/file/306032547.pdf
- http://aarogyamedico.com/userfiles/file/15453989720.pdf
- http://provia-events.de/pics/fotos/1/file/dariban.pdf
- http://talani.nl/userfiles/image/file/28765390525.pdf
- http://meble-tk.pl/userfiles/file/51584727523.pdf
- http://9meclinic.com/ckfinder/userfiles/files/87463110543.pdf
- http://gabortech.com/admin/file/145691999.pdf
- http://lawyermo.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/11906643019.pdf
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/ae20e6b41e1b681944c211b42614296c/33085208813.pdf
- http://classicalgardenstatues.com/uplds/file/98784296775.pdf
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b6f9650f62e---mibunazapuzer.pdf
- http://viral-list-machine.com/ckfinder/userfiles/publics/files/80728124336.pdf
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/ee303c02ebb899e98e3ec8795893f421/20835279850.pdf
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16075b5a54b5ea---sujenemapugam.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_off00010315.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10315 | 16792 bytes |
font_01_sfnt_off00011b27.bina84b23c3fefe828bfcbda275fa2fa8f5d985747cd7ad4c923e2e779a637a29fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B27 | 16996 bytes |
font_02_sfnt_off00014789.bin97a242fdca7b95ebe447a6ad9669c1494f1614411bc3fe255158be917bb86255 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14789 | 10380 bytes |
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