Malicious PDF — malware analysis report

Static analysis result for SHA-256 922e73cfbbe70861…

MALICIOUS

PDF

49.6 KB Created: 2020-11-14 03:35:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-14
MD5: 60066129847e4e2473e56c19736ad0f0 SHA-1: ed1429f795c44dd63dcb3e05e77fd08536f711be SHA-256: 922e73cfbbe70861ca882c0cba8ff439478b57d550b7cdf18d3f9d4154437476
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to lead users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9320

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
  • 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://trafffi.ru/aws?utm_term=video+lagu+natta+reza+kekasih+impian PDF link annotation
    • https://tudupumodowi.weebly.com/uploads/1/3/1/4/131406798/2766757.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452372/normal_5fabb7f9224ba.pdfIn PDF document text
    • https://tajubebejuxota.weebly.com/uploads/1/3/4/4/134477440/a356a9ab684aab0.pdfIn PDF document text
    • https://minikugonon.weebly.com/uploads/1/3/4/5/134500064/girapizesidise.pdfIn PDF document text
    • https://fategebedabeno.weebly.com/uploads/1/3/4/7/134718848/3c840056.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414334/normal_5fa07dc0ac24f.pdfIn PDF document text
    • https://wosowabo.weebly.com/uploads/1/3/4/3/134340570/89e961de427826.pdfIn PDF document text
    • https://s3.amazonaws.com/bikikanafopavu/secret_law_of_attraction_book_download.pdfIn PDF document text
    • https://s3.amazonaws.com/kopisigapub/super_mario_bros_3_online_emulator.pdfIn PDF document text
    • https://s3.amazonaws.com/poresi/14991510792.pdfIn PDF document text
    • https://s3.amazonaws.com/mesotodimus/tefep.pdfIn PDF document text
    • https://s3.amazonaws.com/kofabube/ripiledigigorotu.pdfIn PDF document text
    • https://s3.amazonaws.com/xamapebonijos/orpheus_descending_script.pdfIn PDF document text
    • https://s3.amazonaws.com/piwupevivotixi/emmitt_perry_sr_age.pdfIn PDF document text
    • https://s3.amazonaws.com/kudufigunabi/railway_empire_manual_train.pdfIn PDF document text
    • https://s3.amazonaws.com/zumomasugipeno/32001328299.pdfIn PDF document text

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