PDF malware analysis — malicious · 28d444c5614a6353

MALICIOUS

PDF

49.6 KB Created: 2020-12-05 16:59:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 55ba31bbecd88886b97de84f85431c02 SHA-1: 145ad30e45a3372a26248eec6ab0edf4667e29cd SHA-256: 28d444c5614a635380923a77a1e737a1b7a8fa46cae8b7cf5d37aef6cb96e6a8

212 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external PDF links, suggesting an attempt to distribute further malicious content or engage in SEO manipulation for phishing. The ClamAV detection further confirms its malicious nature, classifying it as a phishing trojan.

Machine Learning

Nyx PDF Classifier malicious score 0.9690

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://traffmen.ru/strik?utm_term=christ+church+community+development+corporation+hackensack+nj
- https://cdn-cms.f-static.net/uploads/4374373/normal_5f8a8deea0a06.pdf
- https://cdn-cms.f-static.net/uploads/4381762/normal_5faf495735c51.pdf
- https://losewilim.weebly.com/uploads/1/3/4/8/134854933/zabemelexosudosa.pdf
- https://static.s123-cdn-static.com/uploads/4456119/normal_5fca9b0b81243.pdf
- https://static.s123-cdn-static.com/uploads/4413973/normal_5fcb49dacd21c.pdf
- https://uploads.strikinglycdn.com/files/bb11a23b-b21d-43bd-8ac0-343c5bc229c2/vogola.pdf
- https://s3.amazonaws.com/gotenukevepunin/gakiluv.pdf
- https://uploads.strikinglycdn.com/files/d75eb820-5c11-4798-a891-e721ef2e8ccc/extratorrent_torrent_site.pdf
- https://uploads.strikinglycdn.com/files/d5c3e695-ba5e-49bd-b29a-c1860374590f/44513295311.pdf
- https://uploads.strikinglycdn.com/files/c62de283-058e-45e6-b3b2-1fd2b305bddd/furozezawimolo.pdf
- https://uploads.strikinglycdn.com/files/46f3658d-69ad-4b04-bd27-4f44996343ce/dipasutumogeloxegirizu.pdf

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