Malicious PDF — malware analysis report

Static analysis result for SHA-256 66bf57bba3f12ce5…

MALICIOUS

PDF

45.6 KB Created: 2020-12-16 21:53:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31
MD5: 0d741b20594d251e5b643f6e9f4a6764 SHA-1: 5e3c056f4aebb7bbd662bce6a48e8211822501b2 SHA-256: 66bf57bba3f12ce51f5d95b34d113e95c643eeedb92572c37c840536fdc4d30d
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous external links, with a critical heuristic identifying it as a link farm. One of the primary URLs, 'https://traffset.ru/strik?utm_term=rose+water+younique+review', is directly referenced. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution via the linked content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9289

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://traffset.ru/strik?utm_term=rose+water+younique+review PDF link annotation
    • https://betirowi.weebly.com/uploads/1/3/4/6/134661799/458718ac05811dc.pdfIn PDF document text
    • https://vazitaxigenot.weebly.com/uploads/1/3/4/6/134640409/xomibarodatetojoma.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366340/normal_5f8a1f886c1dd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392853/normal_5fb85e356f975.pdfIn PDF document text
    • https://s3.amazonaws.com/genedonapubefe/spider_man_noir_mask_template.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0d3b00b6b03258f353712/t/5fc58f42bc819f1cf4971a77/1606782788497/neo_scavenger_vehicles.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc1407d8787e879896e58f6/t/5fcefd4ab8233e30dfa09b2b/1607400778971/netflix_series_away_rotten_tomatoes.pdfIn PDF document text
    • https://s3.amazonaws.com/jojitagifuva/puvone.pdfIn PDF document text
    • https://s3.amazonaws.com/gewisetug/formation_body_mind_centering_france.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbffe9d5687f52b6b7c161f/t/5fc260b95147b148047fec0c/1606574265580/manchego_cheese_substitute_parmesan.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc36a015687f52b6b9139b6/t/5fc9359aabf8851c5d5f0b2b/1607021979107/best_vegetable_chopper_dicer_mandoline_slicer.pdfIn PDF document text

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