Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e2861bfa9b36927…

MALICIOUS

PDF

79.9 KB Created: 2021-03-21 21:53:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9f70e34eacdb8f48da5c03f82cc35f3b SHA-1: 285360854f3d4196c5e7be18309925d1fa51e226 SHA-256: 5e2861bfa9b3692737155d37f4fd2f9c68cde7f79362703cc9a1fe8316b9d9cb
96 Risk Score

Malware Insights

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

The PDF document contains a URL that, when visited, likely leads to a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though partially garbled, includes text related to AutoCAD and a URL, suggesting a lure to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 https://soxebez.ru/aws?utm_term=how+to+do+orthographic+projection+in+autocad
    • https://cdn.sqhk.co/jinuzekovodi/iiI8ieT/kefirowowe.pdf
    • http://wufamega.scienceontheweb.net/ambedkar_books_in_kannada.pdf
    • https://cdn.sqhk.co/bovutolomevo/gc2bgfD/sugafofijekevotukivo.pdf
    • https://cdn.sqhk.co/susojitigi/waichgN/demolition_derby_multiplayer_game_download.pdf
    • https://cdn.sqhk.co/melukate/iaijlm3/child_care_aware_mn.pdf
    • https://cdn.sqhk.co/webepinovet/heIgehj/50518847381.pdf
    • https://cdn.sqhk.co/nuvexajamu/hgUiehi/laromodolefujajabofetol.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://wegugoleta.onlinewebshop.net/breadboard_projects_for_beginners.pdf
    • https://uploads.strikinglycdn.com/files/aa2daf7a-7478-4fed-bec0-ecdccee98ac9/titulos_de_credito_principales_y_accesorios_ejemplos.pdf
    • https://uploads.strikinglycdn.com/files/b5f95b50-015d-4fd9-aad8-1980af7eba43/51732753169.pdf
    • https://s3.amazonaws.com/libeganot/john_deere_mower_for_sale_bc.pdf
    • https://s3.amazonaws.com/savifin/full_form_of_atma_in_agriculture.pdf
    • https://s3.amazonaws.com/wutisigila/laptop_gamingowy_acer_nitro_7.pdf
    • https://uploads.strikinglycdn.com/files/cba6a2e3-04e6-4a0b-9e3e-07643350b65b/how_to_pay_gratitude.pdf
    • http://bedozep.rf.gd/60528845055.pdf
    • http://mezapum.rf.gd/36548876850.pdf
    • 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://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fc30.bin
f66d0a055e407fe07932eaa4197d28222c95ef30a29b669bf69f4d9f9403bc6f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFC30 5252 bytes
font_01_sfnt_off00010e21.bin
a5295488f40454361258ebaf8eaa4879b5a9c3b25b77088a11fb86765433c129		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10E21 10736 bytes

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