PDF malware analysis — malicious · bca6579612094820

MALICIOUS

PDF

42.1 KB Created: 2021-01-05 20:13:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05

MD5: b932151c35b44848ff1184126a552e2e SHA-1: 44cf35c001d84ac7299a7c0e6a6bde92979bb71c SHA-256: bca6579612094820569d32d8b998cd7f49f009234c2bf9a50867d6e020fbadc5

242 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file was identified as malicious by multiple heuristics, including ClamAV and an ML classifier. It contains a large number of embedded links, many pointing to disposable hosting and redirector infrastructure, suggesting a link farm or phishing campaign. One critical heuristic indicates a link to known malicious redirector infrastructure.

Machine Learning

Nyx PDF Classifier malicious score 0.9297

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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=set+header+in+excel+sheet In PDF document text
- https://static.s123-cdn-static.com/uploads/4387586/normal_5ff0e82d9e89b.pdfIn PDF document text
- https://cdn.sqhk.co/pivoledofag/eT0Qhjd/sewewuwitexewefilelezugug.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384831/normal_5fb53218b7c70.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448539/normal_5feefc1552b11.pdfIn PDF document text
- https://dosoludu.weebly.com/uploads/1/3/0/8/130814101/4bf6b1215.pdfIn PDF document text
- https://wozizagozesa.weebly.com/uploads/1/3/4/8/134848764/3796827.pdfIn PDF document text
- https://cdn.sqhk.co/ludukuni/UMYtik4/27209150367.pdfIn PDF document text
- https://mivetemadika.weebly.com/uploads/1/3/4/4/134471856/dosidato_komedolut_kajezeto.pdfIn PDF document text
- https://diloxutal.weebly.com/uploads/1/3/4/5/134598378/f6f9e.pdfIn PDF document text
- https://dapunilak.weebly.com/uploads/1/3/4/5/134506399/wuzubi_mewizo_zazijanur_fugitu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465685/normal_5fdbc6832c537.pdfIn PDF document text
- https://s3.amazonaws.com/jifesu/edge_browser_filehippo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/55b1b00b-55bc-4771-b578-099fc5ebc2e4/free_modded_accounts_xbox_360_gta_5_email_and_password.pdfIn PDF document text

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