MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm with numerous URLs, several of which point to compromised WordPress upload directories or disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and unreadable, providing no direct content clues.
Machine Learning
- Nyx PDF Classifier malicious score 0.5107
Heuristics 5
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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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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://hmed.vn/upload/files/voxadudavakovesabemovara.pdf In PDF document text
- http://licausi.it/userfiles/files/nibozogogonexazaxadavibut.pdfIn PDF document text
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/51a87221599e9f047aadbe5d54c4a171/58596830148.pdfIn PDF document text
- http://tropo-design.com/ckfinder/userfiles/files/burubunufo.pdfIn PDF document text
- http://chromowane.com/userfiles/file/59700099545.pdfIn PDF document text
- http://regmac.net/userfiles/files/lakozemanaz.pdfIn PDF document text
- http://sushistoryus.com/uploads/files/jewasegiveterokajute.pdfIn PDF document text
- http://italianopizzeria-pg.com/uploads/files/jidexikitazine.pdfIn PDF document text
- http://www.almansori-ye.com/almansorifiles/files/namadox.pdfIn PDF document text
- http://eviljoy.com/UserFiles/File/paruvavope.pdfIn PDF document text
- https://lionkingbali.com/uploads/file/titapigafelig.pdfIn PDF document text
- https://airin.lv/images/userfiles/file/57863771913.pdfIn PDF document text
- http://zeminyerkaplama.com/upload/ckfinder/files/fegitogup.pdfIn PDF document text
- http://sochi-polyana.com/ckfinder/userfiles/files/98393567643.pdfIn PDF document text
- http://sterenstein.ru/userfiles/file/kovamilipuwopodu.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613c38b2df0a7---lagavalifafuretemafifib.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad78e6dc1b---67126050318.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/43289259252.pdfIn PDF document text
- http://leaguengn.com/userfiles/file///jojola.pdfIn PDF document text
- https://landatur.com/files/galeria/files/62845248185.pdfIn PDF document text
- https://italvaping.com/file/kajumokol.pdfIn PDF document text
- http://www.civilhospitalpalampur.in/img/uploads/files/96029257122.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613e839af412f---samewaxawig.pdfIn PDF document text
- https://intersat.lv/files/file/81378129255.pdfIn PDF document text
- https://kawanmto.net/contents/files/timogu.pdfIn PDF document text
- http://pathtojanna.com/userfiles/files/tufarapakufufixedurulotul.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+see+private+account+pics+in+instagramPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b129.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB129 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c93b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC93B | 15228 bytes |
SHA-256: a7c4681c538d1c7b1cbd0232a161153d7562856e22fa54fca38f8b5230f06651 |
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