Malicious PDF — malware analysis report

Static analysis result for SHA-256 597ba4a0403234a2…

MALICIOUS

PDF

50.6 KB Created: 2021-01-11 19:04:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: f968b5a054447c18ddea799e9cc6f27f SHA-1: 7c4f74a7168cd516fe0ef0062a7dcbeefcd7d464 SHA-256: 597ba4a0403234a210ee30599e119927f5e75762cac972ead479f0c417d6e6bb
212 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, with one identified as a known malicious redirector. The ClamAV detection and ML classifier also indicate maliciousness. The embedded links suggest an attempt to direct users to potentially malicious or phishing sites, aligning with the 'Pdf.Phishing.Trojan' classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6502

Heuristics 4

  • 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.
  • 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/aws?utm_term=ear+ringing+sound In PDF document text
    • https://cdn-cms.f-static.net/uploads/4383304/normal_5f987b4c4627b.pdfIn PDF document text
    • https://cdn.sqhk.co/jaxugaveg/hUghif4/oneplus_care_number_jaipur.pdfIn PDF document text
    • https://cdn.sqhk.co/sofopiro/UhbmKzv/21460228340.pdfIn PDF document text
    • https://cdn.sqhk.co/gimexigerub/gezrEhf/stumbled_upon_vintage.pdfIn PDF document text
    • https://site-1178309.mozfiles.com/files/1178309/ralapapimigu.pdfIn PDF document text
    • https://divamokavagi.weebly.com/uploads/1/3/4/8/134871471/36a696.pdfIn PDF document text
    • https://sakixori.weebly.com/uploads/1/3/3/9/133997256/juvigiran.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414172/normal_5f99f082e798a.pdfIn PDF document text
    • https://s3.amazonaws.com/sefiwegegagu/41302848030.pdfIn PDF document text
    • https://s3.amazonaws.com/fomaralunex/igi_1_android_apk_obb.pdfIn PDF document text
    • https://s3.amazonaws.com/rupatojuko/ib_visual_art.pdfIn PDF document text
    • https://s3.amazonaws.com/labitajaxatufib/types_of_communication_in_business.pdfIn PDF document text

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