Malicious PDF — malware analysis report

Static analysis result for SHA-256 4f19760cac087aed…

MALICIOUS

PDF

51.6 KB Created: 2020-12-25 06:41:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: caa40bcd728ceb8fea12f1b07e3f0b8c SHA-1: 9dce8142875f518996fe3de9ac2736aa7bcab78e SHA-256: 4f19760cac087aed2ba6cca871fc72106acd0ec426fa47006c7f5edfad6c952f
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by multiple heuristics, including ClamAV and an ML classifier. It contains an embedded URL pointing to known malicious infrastructure, indicating an attempt to redirect the user to a harmful site. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7052

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • 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://traffine.ru/strik?utm_term=moves+for+mk11 In PDF document text
    • https://forajezar.weebly.com/uploads/1/3/4/1/134108615/6064120.pdfIn PDF document text
    • https://tirasuvemesamu.weebly.com/uploads/1/3/4/6/134672388/4301649.pdfIn PDF document text
    • https://cdn.sqhk.co/kitaparek/hhcFTNg/damosiviwekurusegejolifem.pdfIn PDF document text
    • https://s3.amazonaws.com/widofafane/ruwawerametur.pdfIn PDF document text
    • https://s3.amazonaws.com/vovuzize/webwork_answers_finite.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d896e0e7-ead3-4c33-802d-cb9634b3e4b7/christy_lake_fitness_model.pdfIn PDF document text
    • https://s3.amazonaws.com/felasorarabipis/radicales_libres_2017.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dc362c3f-22d6-4682-8886-87cd0835bf94/10300018856.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/637c054d-c55a-4114-86f6-1b2d3de58f86/harlequin_blaze.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f8f62fa1-7a01-45d7-85fb-78c91dc7ffbc/namiloxuwig.pdfIn PDF document text
    • https://s3.amazonaws.com/zomuzigo/trailer_end_credits_template.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4f238428-e379-4d42-bcb1-0468016db19c/zugevubiv.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9820f768-8b59-410c-a393-00f1593f0308/23134771915.pdfIn PDF document text

Open this report in the interactive analyzer, or submit your own file for analysis.