Malicious PDF — malware analysis report

Static analysis result for SHA-256 764c6a134aac5cc3…

MALICIOUS

PDF

67.9 KB Created: 2021-04-04 20:46:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 49ceb8f0b362ab17f459ada778629307 SHA-1: 40003e5c825e49a0efe6e3792c26eb78861f81e0 SHA-256: 764c6a134aac5cc3e6787ceb46350a759de7ba4fb5dc4a622ce2b08be8a3e468
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by multiple detection engines, including ClamAV and an ML classifier. It contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, suggests a lure related to an 'electrical engineering syllabus'. No scripts were extracted, but the presence of external URIs and the malicious verdict strongly indicate an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7272

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://jottigo.ru/award?keyword=b.+tech+electrical+engineering+syllabus+pdf PDF link annotation
    • http://megatorg.ru/varamupanibowamakudzak89.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414331/normal_6011e4ff6aadb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4488339/normal_5fef36a418df7.pdfIn PDF document text
    • https://cdn.sqhk.co/xejudawadoni/9idhjib/glymphatic_system_brain.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481527/normal_5fff2a965480b.pdfIn PDF document text
    • http://idealslim-italiaofficial.site/nintendo_3ds_games_codesrm5a0.pdfIn PDF document text
    • https://cdn.sqhk.co/luwagoma/igaAuie/noxazulujuwitoruw.pdfIn PDF document text
    • https://cdn.sqhk.co/fuvebopeweb/ogfhfTQ/1649380468.pdfIn PDF document text
    • https://cdn.sqhk.co/pizililiv/6pjajgv/guide_pes_2019.pdfIn PDF document text
    • http://delaem-sami.online/257624232604yzhr.pdfIn PDF document text
    • https://s3.amazonaws.com/bagokiko/78912468795.pdfIn PDF document text
    • https://s3.amazonaws.com/pevarijidasalop/pedagizebikewuletisi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ef13d178-2bba-4eca-a1df-31b47a1f9f56/50394715316.pdfIn PDF document text
    • https://s3.amazonaws.com/wibadinavosunom/79858246130.pdfIn PDF document text
    • https://s3.amazonaws.com/fulazelof/bionanotechnology_lessons_from_nature.pdfIn PDF document text
    • https://s3.amazonaws.com/rimepusox/busifeliwul.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bdd612fe-23bf-46ac-8023-39c86d216dab/vujumukene.pdfIn PDF document text
    • https://s3.amazonaws.com/tifuwuw/carpal_tunnel_strengthening_exercises.pdfIn PDF document text
    • https://s3.amazonaws.com/pazerogasarinu/christmas_party_place_cards_template.pdfIn PDF document text
    • https://s3.amazonaws.com/wamatasamegu/fumijijovowuwozan.pdfIn PDF document text

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