Malicious PDF — malware analysis report

Static analysis result for SHA-256 37e3d7f24a272ccc…

MALICIOUS

PDF

38.1 KB Created: 2021-04-06 15:22:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a95476ce0ae766e33c34b407ddc5f977 SHA-1: b0e37f0ea5cb414344ad2369be3f178ee82d245e SHA-256: 37e3d7f24a272cccfbef29bf5c2f0a071107791862bed2a76ae4f9bc5e23af29
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as malicious by ClamAV and an ML classifier, and it employs an image-only lure typical of phishing attacks. The document contains an embedded URI pointing to 'baarspo.ru', which is likely the destination for the phishing attempt. No scripts were extracted, but the PDF structure and embedded URL suggest a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6992

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
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 38 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://baarspo.ru/wix?keyword=testament+tattoo+leavenworth+ks
    • http://kafojiv.iblogger.org/12082157067.pdf
    • https://cdn.sqhk.co/lesasafo/vtchcZ4/lagitome.pdf
    • https://wufevepawupaxit.weebly.com/uploads/1/3/5/3/135391440/posot-zulowimixakuvi-temalipuro.pdf
    • https://jepexilopenokaf.weebly.com/uploads/1/3/2/6/132680937/d2622f19b.pdf
    • https://mabavelege.weebly.com/uploads/1/3/0/7/130775551/6588153.pdf
    • http://moxosisir.epizy.com/63234777308.pdf
    • https://s3.amazonaws.com/gizonukorad/67629022162.pdf
    • https://uploads.strikinglycdn.com/files/6c1f0788-eda3-4fc9-b237-b79b384bfceb/vojixa.pdf
    • https://s3.amazonaws.com/werowibovezoje/95061700470.pdf
    • http://kujofumuv.rf.gd/tutorial_aegisub_espaol.pdf
    • https://uploads.strikinglycdn.com/files/72cb58db-0805-4df2-859e-94ec97fd3fc7/wagofagiravaxedimituwa.pdf
    • https://s3.amazonaws.com/tetenifeme/on_writing_and_worldbuilding_volume_i_epub.pdf
    • https://s3.amazonaws.com/luramamelolem/37584227277.pdf

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