Malicious PDF — malware analysis report

Static analysis result for SHA-256 a026dcfebe272252…

MALICIOUS

PDF

83.8 KB Created: 2021-02-05 11:24:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: d9a395790f1a09b6ffcdd92b4621aafa SHA-1: d4b1974dbf0fe175bc768c072d027e2920981c92 SHA-256: a026dcfebe272252ff4644fdff9f38c793d4d99e5ce7e5a29b6a5c9e38b7f983
96 Risk Score

Malware Insights

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

The file is a PDF document flagged as malicious by ClamAV and an ML classifier. It contains an embedded URI pointing to a suspicious domain, likely intended to trick the user into visiting a phishing or malware distribution site. The document body, though heavily obfuscated, contains keywords related to '4g lte cellspot router', suggesting a lure for a technical or product-related scam.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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 https://bologen.ru/123?utm_term=4g+lte+cellspot+router PDF link annotation
    • http://meblik.su/wilkes_barre_direct_operations_center4lvir.pdfIn PDF document text
    • http://tameeniraq.com/677853124091rk08.pdfIn PDF document text
    • http://cozyplacefor.rest/gumagujvbv6x.pdfIn PDF document text
    • http://bobr.space/43544378282op7xk.pdfIn PDF document text
    • http://freshnatur.fun/49613215581y9l9d.pdfIn PDF document text
    • http://strita.space/biotehnologii_farmaceuticeob7kj.pdfIn PDF document text
    • http://forexgeeks.net/12191086983rj2j4.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/nerugiraxura/gaudete_king_s_singers_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/tikofaketonub/xidesobuworozogow.pdfIn PDF document text
    • https://s3.amazonaws.com/dogazisuze/gefojaf.pdfIn PDF document text
    • http://juvegebufu.epizy.com/diy_bead_roller_sheet_metal.pdfIn PDF document text
    • https://s3.amazonaws.com/xidulumexi/25481195287.pdfIn PDF document text
    • https://s3.amazonaws.com/gizonukorad/everyday_use_questions_and_answers_quizlet.pdfIn PDF document text
    • https://s3.amazonaws.com/pusolefosex/reasons_school_uniforms_are_bad.pdfIn PDF document text
    • https://s3.amazonaws.com/pilazi/zanaf.pdfIn PDF document text
    • https://s3.amazonaws.com/xezujuxoz/pirituperalonuza.pdfIn PDF document text
    • https://s3.amazonaws.com/bomupi/kakesikewik.pdfIn PDF document text
    • https://s3.amazonaws.com/loneminovu/porojiluwubezavop.pdfIn PDF document text
    • https://s3.amazonaws.com/jotizifime/beginner_guitar_reading_sheet_music.pdfIn PDF document text
    • http://worizekadi.epizy.com/moxuwowoxamusa.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010c9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C9C 4884 bytes
SHA-256: 104f3ee833b4aebdc74caae721bef80b65013bc5a1efc6e38606bdf280cc96c5
font_01_sfnt_off00011d59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11D59 10724 bytes
SHA-256: 3654aa7993cbea74a14fc58411cc61c5914208ded01f567c80761a05d4326e48

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