PDF malware analysis — malicious · 38317c7a388cfea6

MALICIOUS

PDF

50.6 KB Created: 2020-11-11 14:54:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5344d6869136775a2b518c514151e654 SHA-1: 989deaf71b9c9326eaff7974416e90a6e32ca0d5 SHA-256: 38317c7a388cfea646e3aa4b94614555790c38fc915c2d19efbefb3d395847f6

174 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF is identified as an image-only document designed as a lure, typical of phishing campaigns. It contains an external URI pointing to 'traffnew.ru' and a large number of other PDF links, suggesting a link farm or redirection mechanism. ClamAV detection and ML classification further support its malicious nature.

Machine Learning

Nyx PDF Classifier malicious score 0.5897

Heuristics 5

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
Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE

PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 50 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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://traffnew.ru/aws?utm_term=tredsafe+shoes+target
- https://zuvubexusemeto.weebly.com/uploads/1/3/4/3/134373725/080b1f219c0.pdf
- https://cdn-cms.f-static.net/uploads/4384299/normal_5f973cac24941.pdf
- https://s3.amazonaws.com/betefowubevat/graco_pack_n_play_user_manual.pdf
- https://s3.amazonaws.com/sazixipame/40477028540.pdf
- https://uploads.strikinglycdn.com/files/55af09e8-b4f9-4dae-83d5-91786292739e/new_pop_albums.pdf
- https://s3.amazonaws.com/gupuso/how_to_electronically_sign_a_on_ipad.pdf
- https://s3.amazonaws.com/fifomi/sakaretoramusajemeleweje.pdf
- https://s3.amazonaws.com/fosagoba/7230539711.pdf
- https://s3.amazonaws.com/kudowo/zubafowupumugujanig.pdf

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