Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c9ea1ea48ab9d55…

MALICIOUS

PDF

50.6 KB Created: 2021-03-15 19:58:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 71951bbca11ec73cc66a95e44ed5ff8c SHA-1: 54d748a3347c2e02cfd3f219e51615a2d9c147f5 SHA-256: 0c9ea1ea48ab9d558aa143c84442d15adb1060948ca87e038a5de3ca3295520b
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7510

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://jumiwimov.ru/aws?utm_term=brene+brown+shame+ted+talk+worksheet PDF link annotation
    • https://patufefuwo.weebly.com/uploads/1/3/4/3/134312622/tesiserinebowuxof.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4405925/normal_6005e828bc851.pdfIn PDF document text
    • https://benipotuwazel.weebly.com/uploads/1/3/4/4/134445242/16c1cd3be10bf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412592/normal_5ff2cc989d4be.pdfIn PDF document text
    • https://cdn.sqhk.co/doxinotilid/hfZhijj/sony_android_tv_kd_55.pdfIn PDF document text
    • https://tunozuranoba.weebly.com/uploads/1/3/5/3/135316660/02ef8b247.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375885/normal_5ffd4c10116aa.pdfIn PDF document text
    • https://rigukolanerimi.weebly.com/uploads/1/3/4/5/134519373/5771184.pdfIn PDF document text
    • https://jojesiwanoj.weebly.com/uploads/1/3/3/9/133986560/kaxafak.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368222/normal_5fcb01a95ec66.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420599/normal_600fce4e6a03a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380705/normal_5fec0c4c7de9f.pdfIn PDF document text
    • https://cdn.sqhk.co/boxepupovemu/gRiifgc/jerotinatexoral.pdfIn PDF document text
    • http://penonas.epizy.com/xarokurofipi.pdfIn PDF document text
    • http://kisoperut.rf.gd/xizirixirado.pdfIn PDF document text
    • http://varitumowu.rf.gd/beyblade_burst_evolution_full_episodes.pdfIn PDF document text
    • https://34e51215-b586-4e01-b3ea-a219475a7b91.filesusr.com/ugd/46481b_3eb264cfd4784fd49e9ec291b9d60a35.pdf?index=trueIn PDF document text
    • https://a12a05ab-6462-4855-b086-b0a2a961d6d8.filesusr.com/ugd/2c76f4_709a04142e1e4c73a8554fb545de8b05.pdf?index=trueIn PDF document text
    • http://xolemobubusosi.rf.gd/banana_chacha_ringtone.pdfIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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