PDF malware analysis — malicious · ff8104d7048b15f4

MALICIOUS

PDF

50.6 KB Created: 2020-12-23 15:01:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 2ce39518c170de16ba52b40cb40137ff SHA-1: 52a1ca911489d26bc36e0883bfa3281b64dd87cf SHA-256: ff8104d7048b15f45ea7de8a41b73f05eb76287e5a936cab3ea9e32ea6c6d2f1

212 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, with at least two identified as malicious redirectors. The ClamAV detection and ML classifier also indicate malicious content. The primary attack vector appears to be directing users to external, potentially malicious, websites through a link farm disguised within the document.

Machine Learning

Nyx PDF Classifier malicious score 0.7414

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://cctraff.ru/aws?utm_term=acrylic+plastic+sheets+canada
- https://cdn-cms.f-static.net/uploads/4380079/normal_5f8b74e17339b.pdf
- https://cdn-cms.f-static.net/uploads/4446394/normal_5fc0f1fd5bab1.pdf
- https://gabejopow.weebly.com/uploads/1/3/4/5/134597712/virole-gowivi-tudidasolis.pdf
- https://mowolonob.weebly.com/uploads/1/3/4/8/134874237/vupumuw.pdf
- https://cdn-cms.f-static.net/uploads/4368742/normal_5f91f6bc15e75.pdf
- https://denudosija.weebly.com/uploads/1/3/4/0/134017010/d32c5.pdf
- https://s3.amazonaws.com/ritoma/wemafu.pdf
- https://s3.amazonaws.com/tubukeganuji/algebra_nation_section_1_answers_2017.pdf
- https://s3.amazonaws.com/jobavo/oral_pathogenic_bacteria.pdf
- https://s3.amazonaws.com/nademopor/wesuzosap.pdf
- https://s3.amazonaws.com/napejaxosinages/46507352757.pdf

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