Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc9af9fa8edaf472…

MALICIOUS

PDF

90.2 KB Created: 2021-02-24 19:42:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: 1f9812497fe7c4534813ab4df301f574 SHA-1: 27c6718b88fb39b782718288aa75e475043a43dd SHA-256: cc9af9fa8edaf4724c0d39321870c63b74ce6779738add87fa9a07e101c84e79
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document that contains an embedded URL pointing to a suspicious domain, identified by heuristics as a potential phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were extracted, the presence of the external URI suggests an attempt to redirect the user to a malicious site, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9446

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://seumenha.ru/award?keyword=old+school+bagel+tulsa+order+online PDF link annotation
    • http://maslovauto.ru/change_notification_tones_androidf9fkq.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391921/normal_5fe6880782c53.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4424027/normal_5ff04042ce729.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452374/normal_6026f8ec516c5.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/ladojenefe/25288942631.pdfIn PDF document text
    • http://jadevasaxa.epizy.com/emulator_ps2_mac.pdfIn PDF document text
    • https://s3.amazonaws.com/lofese/jazixawubib.pdfIn PDF document text
    • https://s3.amazonaws.com/zerepuzuze/91359022302.pdfIn PDF document text
    • https://s3.amazonaws.com/fedure/ziwivuranalaribulebik.pdfIn PDF document text
    • https://s3.amazonaws.com/mamibis/express_vpn_unlimited_mod_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/zoluwivebiro/emotional_songs_bollywood.pdfIn PDF document text
    • https://s3.amazonaws.com/wekibik/47374354898.pdfIn PDF document text
    • https://s3.amazonaws.com/jinotugiwomo/50562729121.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00015aae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15AAE 5252 bytes
SHA-256: f4fcfabbf5d456c7204ec55dcfa41b6c04c42188f83a0dc54d4506924382170f

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