PDF malware analysis — malicious · 8da42f135c9d7827

MALICIOUS

PDF

63.6 KB Created: 2021-09-20 12:47:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)

MD5: 6a084ae4fe7b20504f04c8e19e28803c SHA-1: 6b261244ca45a41a37c0c8f51a6285ba40a2de7f SHA-256: 8da42f135c9d7827ff9395608c08343b585d0963465c410effda3bbbb50daf6a

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, many of which point to disposable hosting and are part of a link farm, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are consistent with techniques used to deliver second-stage payloads.

Machine Learning

Nyx PDF Classifier malicious score 0.6403

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small 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.
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One 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://alpinashop.bg/files/4576686923.pdf
- http://revucue.com/ckfinder/userfiles/files/gitejosefapamotuxuma.pdf
- https://ahirealty.in/admin/userfiles/files/sotoganenekiwemalokig.pdf
- http://hytechcommunications.com/userfiles/file/49444246511.pdf
- http://pallenberg-busreisen.de/uploads/files/27284152853.pdf
- http://medrea.ru/upload/files/45325229817.pdf
- https://rts-wm.com/ckfinder/userfiles/files/50732631896.pdf
- http://boxethai38.com/upload/file/fufinegazunanoxa.pdf
- http://studiolegalezullo.eu/userfiles/files/pepatunedefapudami.pdf
- http://studiotecnicomartani.eu/userfiles/files/werokokaxupaxutaw.pdf
- https://www.piramideidiomas.com/ckfinder/userfiles/files/zapizininot.pdf
- https://drinkpoint.com/uploads/files/24276662536.pdf
- http://sunnysolutions.it/uploads/assets/file/1640892479.pdf
- https://coastalstudio.com/images/main/file/20355991828.pdf
- http://plenaseguroseprevidencia.com/fotosempresa/files/36102137519.pdf
- http://3bbb.fr/ckeditor/upload/files/72020795048.pdf
- https://markiza-trade.ru/admin/ckfinder/userfiles/files/60779018722.pdf
- http://wooshin.kr/uploaded/file/12115155066130cfe934fa4.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16131715f0e03c---judavudebogesefovase.pdf
- https://thaibamboorestaurant.ca/phpsites/bard_ford/uploads/file/18932763838.pdf
- http://www.iuoelocal870.com/kaizen/ckfinder/userfiles/files/rixokabafeguxogikuvimo.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16136f10561a8f---kiniwozegiwutudenejov.pdf
- http://dulwichtaxi.com/survey/userfiles/files/rawirogosaxetagos.pdf
- https://baongochoa.com/upload/file/jinesaju.pdf
- http://harmonie-avion.fr/actualite/files/49348314837.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=redmi+note+9+pro+ota+update

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