PDF malware analysis — malicious · 156fdf918504995f

MALICIOUS

PDF

46.4 KB Created: 2020-12-25 07:40:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-02

MD5: cc7bdb66419ed9227b41985bb9d698bf SHA-1: d8a64c8323ee17ff9c73da00228fcf219b29ec69 SHA-256: 156fdf918504995f693188c48ae3c43331162f6d09649fa4abf17f7f9900c571

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains numerous external links, identified as a link farm, with one prominent URL being traffnew.ru. This heuristic, combined with ClamAV detection and ML classification, strongly suggests malicious intent. The presence of embedded JavaScript, though truncated, indicates potential for further malicious actions like downloading additional payloads.

Machine Learning

Nyx PDF Classifier malicious score 0.7005

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 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.
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/strik?utm_term=android+chrome+browser+video+download+embedded PDF link annotation
- https://cdn-cms.f-static.net/uploads/4419433/normal_5fd7f7ff8d2a3.pdfIn PDF document text
- https://vatalinonabalix.weebly.com/uploads/1/3/4/2/134234662/d2701c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366639/normal_5fd655b70d58b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404296/normal_5fa1229e1a318.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4427780/normal_5fdf66c86c48e.pdfIn PDF document text
- https://disadaniti.weebly.com/uploads/1/3/4/4/134463451/fimizewidonox.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4456135/normal_5fdd9341acf2a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401985/normal_5faab26616d31.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6ac8fe96-57c4-4924-ac9c-bd858c970374/51221348107.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/da5b17fc-a7d2-4778-bc3d-f666e7a60920/vokobijejewin.pdfIn PDF document text

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