Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee06e04016537ccd…

MALICIOUS

PDF

76.0 KB Created: 2021-07-03 09:25:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: df25980820244c877e7827db38958cb6 SHA-1: ae67656f6e47f58013e5a84cbef5fc548864b845 SHA-256: ee06e04016537ccd593bdc68582f39c96739e7b800d49ff5055d9cbde4172002
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous embedded URLs pointing to external resources, suggesting a phishing or redirection scheme. Although no scripts were explicitly extracted, the PDF format itself can embed JavaScript for malicious actions, and the presence of external links is a common tactic for delivering further stages of an attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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 http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16070db8c04577---92487520277.pdf
    • https://beautyyaurient.com/editor_upload/file/zenazopikugifir.pdf
    • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070d6bf4e596---gelilufoxi.pdf
    • http://austria-ex.com/images/blog//file/94224853657.pdf
    • http://hyundai-dongdo.vn/images/files/jebovubamobuzevizuva.pdf
    • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/d350752ddaf8b5d7dbf5172bb2ea6b05/dezavori.pdf
    • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/a2179e10bb38956dff4652122c24bfeb/lezixekupizivowuvan.pdf
    • http://farmaciacogliate.it/userfiles/files/46473957266.pdf
    • http://sunnysolutions.it/uploads/assets/file/detatemijinifo.pdf
    • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/45bdf4440397b56265c5f7518c60bd77/firajipinosefizar.pdf
    • http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/67365487676.pdf
    • https://alianzatours.com/imagenes/file/84027993523.pdf
    • http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/26460584514.pdf
    • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c81f2c162b---66289859365.pdf
    • https://bienenaktuell.com/sites/bienenaktuell.com/files/file/xemubotewe.pdf
    • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/qnclum7o293p0cm49fglaqec66/12956001418.pdf
    • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9832e6027---92532593696.pdf
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074d757b3048---45848319589.pdf
    • http://anthonyvienna.com/sites/default/files/file/pudopabavagesukenik.pdf
    • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160858bce30678---jokufejagogox.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=third+pentacle+of+the+sun
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c602.bin
dcf247c64481bbe24064ce5267086fb4c51648206dfa69b0d734b099a4c2fe6f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC602 17244 bytes
font_01_sfnt_off0000f299.bin
c54353ab441b5dd81c5263bc4d3fe14c6de3a15507854b4aaf218a3216b8e18f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF299 10780 bytes
font_02_sfnt_off00010b5a.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10B5A 16792 bytes

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