Malicious PDF — malware analysis report

Static analysis result for SHA-256 64352d1bdd24c424…

MALICIOUS

PDF

64.0 KB Created: 2021-03-28 18:34:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 239c307adccad539a93f4c54481e265c SHA-1: db704895285a70b84fbc95b8b9892eb5ee75bf16 SHA-256: 64352d1bdd24c424b3ce31c1a4c77d8ab34b7821f0854892b22bb7ebf4154114
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 0.8835

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://lozipotod.ru/strik?utm_term=very+short+moral+stories+in+telugu+with+pictures PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4408720/normal_600bef136fa61.pdfIn PDF document text
    • https://cdn.sqhk.co/diwiporeb/nTd9ibK/zombie_escape_room_houston.pdfIn PDF document text
    • https://cdn.sqhk.co/bujasugawo/mo7ihhi/fantastic_fishing_mod_apk_android_1.pdfIn PDF document text
    • https://cdn.sqhk.co/mowefakura/rifaidw/sotopinowopat.pdfIn PDF document text
    • https://cdn.sqhk.co/dasisogi/CiesScD/granny_chapter_two_gameplay_walkthrough.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4479441/normal_5ff70db85b5f4.pdfIn PDF document text
    • https://tekopazaxalar.weebly.com/uploads/1/3/4/3/134348639/9390705.pdfIn PDF document text
    • https://cdn.sqhk.co/rivinodati/qjcnHnB/game_maker_studio_1._4_download_free_full.pdfIn PDF document text
    • https://lisogawe.weebly.com/uploads/1/3/5/3/135312855/sixugivup_sevigepo.pdfIn PDF document text
    • https://s3.amazonaws.com/navoburarovada/perfect_brownie_pan_recipes.pdfIn PDF document text
    • https://s3.amazonaws.com/zuwosil/how_to_reset_a_maytag_ice_maker.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/60a3444c-361d-4ef7-ad9f-b9839bcfc2af/xasudidizesedokulawub.pdfIn PDF document text
    • https://s3.amazonaws.com/gimufesajo/15230135133.pdfIn PDF document text
    • https://s3.amazonaws.com/figugipopar/begogoliwemisumitajenawe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b3f680c6-8851-46de-9dbd-d2bb09972332/sogopatojuk.pdfIn PDF document text
    • https://s3.amazonaws.com/sosupejuxofedo/69001059730.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/62cb92c7-1788-467d-a6dc-be80bc85cda8/nowoxewuwanopinebe.pdfIn PDF document text
    • https://s3.amazonaws.com/tawovojo/3890460117.pdfIn PDF document text

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