Malicious PDF — malware analysis report

Static analysis result for SHA-256 b7dd98c702b65ea7…

MALICIOUS

PDF

80.4 KB Created: 2021-02-22 21:51:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 089f5cb9119b501cc391eab4090a8110 SHA-1: 89a6b2594cb7222d974b35df959218241220dd6f SHA-256: b7dd98c702b65ea7aa8ecbf908c3aab5965f642cc0f30295a7cbb7360959fdb2
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://crophysi.ru/aws?utm_term=gossen+luna+pro+sbc+review PDF link annotation
    • http://olymptrade.buzz/yka_beynini_zet1wb2g.pdfIn PDF document text
    • http://shoes-storie.club/almacenamiento_de_leche_maternaejxhj.pdfIn PDF document text
    • https://cdn.sqhk.co/sesumaku/jiwjjhg/cowboy_caviar_vegan.pdfIn PDF document text
    • http://trells.space/dagajizaq10pp.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367941/normal_5fffc87b8e4e5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446264/normal_5fe36f4bca338.pdfIn PDF document text
    • https://cdn.sqhk.co/bupabumo/U8rejce/dekud.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4467274/normal_5fcef3c55934e.pdfIn PDF document text
    • http://raifaisentgo.online/borifekujifuburiwaxuscvsx.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/lezopobigeza/tutinutavejox.pdfIn PDF document text
    • https://s3.amazonaws.com/jirebonudur/10841172829.pdfIn PDF document text
    • https://s3.amazonaws.com/rokuwapesu/67095763180.pdfIn PDF document text
    • https://s3.amazonaws.com/zabejuvijolu/jivane.pdfIn PDF document text
    • https://s3.amazonaws.com/libusamagowuvo/77167632003.pdfIn PDF document text
    • https://s3.amazonaws.com/jifedefujodu/sap_bahaya_rokok.pdfIn PDF document text
    • https://s3.amazonaws.com/saziwijaxodav/binod.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_off0000fca8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCA8 5248 bytes
SHA-256: f164e06de8c798f9f02231da7472e21d43185d7631a8fb439c50c4617b031b61
font_01_sfnt_off00010ea4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10EA4 11060 bytes
SHA-256: bee8b51aa2d98a313f562bd54cc1616934ed12409a36c2ab97f3c2d6e915c73f