Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e24c0e8b7ecbdbf…

MALICIOUS

PDF

48.6 KB Created: 2020-12-21 01:41:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 928b4daf8591abd8b5f477c461748cc8 SHA-1: 60ca080721acafcf90a7044ab5df43a7129b9d09 SHA-256: 5e24c0e8b7ecbdbf430e36244fad16ec8d479b714cf73eec7b31bde5affb646d
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a significant number of external links, identified as a link farm for SEO purposes. One of the primary URLs, trafftec.ru, is associated with unknown reputation and likely serves as a distribution point for malicious content. The ClamAV detection and ML classifier further support the malicious nature of this PDF, indicating it is likely a phishing or trojan delivery mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6477

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://trafftec.ru/strik?utm_term=ganpati+decoration+ideas+for+home+2019+diy
    • https://xizotikozuza.weebly.com/uploads/1/3/4/5/134587863/2497963.pdf
    • https://vepemetamat.weebly.com/uploads/1/3/4/3/134354227/c6939b7c8b3.pdf
    • https://nifubadipapa.weebly.com/uploads/1/3/4/3/134388301/jajozamalusa-xazapibivexul-supawapamu.pdf
    • https://cdn-cms.f-static.net/uploads/4381085/normal_5f8fda3cd455d.pdf
    • https://s3.amazonaws.com/vudivuzakal/71987675092.pdf
    • https://uploads.strikinglycdn.com/files/971b08de-5d07-4754-87c4-fafd34bf02c4/juzoga.pdf
    • https://uploads.strikinglycdn.com/files/2564bfe9-4c9b-4e56-b3bc-750467df0842/hotel_management_file_download.pdf
    • https://uploads.strikinglycdn.com/files/0fc1a60c-780b-4e15-bd6c-b58a6db26b8b/grupo_laberinto_discografia_mega.pdf
    • https://uploads.strikinglycdn.com/files/765b6075-f953-46f7-aebf-886468dfd9fd/77278011066.pdf
    • https://s3.amazonaws.com/dapekufoxiraku/cereal_magazine_city_guide.pdf
    • https://uploads.strikinglycdn.com/files/55269bf4-9cf3-4d1a-962e-f9358aa10e7f/50922145111.pdf
    • https://uploads.strikinglycdn.com/files/253cdb5c-c632-49cd-bccd-3047ce04047e/63208401538.pdf
    • https://uploads.strikinglycdn.com/files/e95539af-7d58-4cce-ab52-ff034c14bc6c/vidmate_pro_apk.pdf

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