Malicious PDF — malware analysis report

Static analysis result for SHA-256 69129c2f32f13e18…

MALICIOUS

PDF

56.7 KB Created: 2021-04-29 19:24:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 9e9fd935583851f959d10e70f1907b2d SHA-1: 88461dcc24b025ebaa32241688bc33749c002dd7 SHA-256: 69129c2f32f13e188edb08d887ad0771a559d3f890ddd6133c8db0ffd1de0d6d
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 0.6975

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://dafemum.ru/strik?utm_term=computer+hardware+training+institute+in+delhi PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4369646/normal_605174414fc06.pdfIn PDF document text
    • http://xuzobinemipivor.mygamesonline.org/bathroom_designs_for_home.pdfIn PDF document text
    • https://cdn.sqhk.co/dowotovewi/irEhjIT/xokifuvifu.pdfIn PDF document text
    • https://cdn.sqhk.co/pomijatan/jihieGN/ball_resurrection_game_for_pc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416672/normal_603c69e2aa9b7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420025/normal_60297c7b40809.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4502268/normal_5fd72201e7481.pdfIn PDF document text
    • https://ed457e25-7262-4bf7-b769-9a3df1da8a49.filesusr.com/ugd/60ac0c_0bc10ea2749444078b7a0573acadb29c.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/wisuw/xuzuxelesuruxopukekor.pdfIn PDF document text
    • https://s3.amazonaws.com/wupiwupiwot/aged_care_guidelines_nsw.pdfIn PDF document text
    • http://galiwasik.rf.gd/adding_subtracting_multiplying_and_dividing_negative_numbers_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/wudibirewuduto/tejipaxubezopibobarifeb.pdfIn PDF document text
    • https://s3.amazonaws.com/sebunuzu/netirolefusilefe.pdfIn PDF document text
    • https://80820154-e864-4b0c-832b-212b24169927.filesusr.com/ugd/c12414_e05e507062fb4158b2c26478a40bb847.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/xijalovelokolep/cellulitis_or_abscess_formation.pdfIn PDF document text
    • http://matoros.epizy.com/apeman_a79_manuale_italiano.pdfIn PDF document text
    • http://jagaxuvu.epizy.com/mere_apologetics_alister_mcgrath.pdfIn PDF document text
    • http://jokokitot.rf.gd/17489167589.pdfIn PDF document text
    • http://mixezized.myartsonline.com/infant_emotional_development.pdfIn PDF document text

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