Malicious PDF — malware analysis report

Static analysis result for SHA-256 775e82f17f7df3ea…

MALICIOUS

PDF

87.9 KB Created: 2020-12-30 17:08:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 310822518155b24787071f9018fd150a SHA-1: c83496ce1d89a6f0e3ca7febd9df28f6ff334faf SHA-256: 775e82f17f7df3eae0f1c8f4bd7a5cab5aeb13d89b4c01c1b616e1185aaa79cc
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-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://traffnew.ru/123?utm_term=troll+bridge+terry+pratchett+pdf PDF link annotation
    • https://pakedarisibibo.weebly.com/uploads/1/3/4/5/134501134/3042270.pdfIn PDF document text
    • https://bizavurodetilu.weebly.com/uploads/1/3/4/3/134391156/pavuv_vuwos.pdfIn PDF document text
    • https://cdn.sqhk.co/masunidupag/ghgij11/parent_plus_loan_interest_rates.pdfIn PDF document text
    • https://darurirajilubi.weebly.com/uploads/1/3/4/3/134318819/3920a9e.pdfIn PDF document text
    • https://cdn.sqhk.co/vefutifeves/7lgiqyL/tiwuso.pdfIn PDF document text
    • https://xebololu.weebly.com/uploads/1/3/4/3/134340913/3047163.pdfIn PDF document text
    • https://cdn.sqhk.co/daluzowinasu/egh3AH0/best_hop_step_2k20.pdfIn PDF document text
    • https://cdn.sqhk.co/zezoxomop/hhw25n7/cool_skins_for_dragons_life_roblox.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/xonaxevetaf/brucellosis_pathogenesis.pdfIn PDF document text
    • https://s3.amazonaws.com/benubapopikaj/gadaf.pdfIn PDF document text
    • https://s3.amazonaws.com/tadovu/ansi_c_download_free.pdfIn PDF document text
    • https://s3.amazonaws.com/biwubeleba/fusionner_plusieurs_sous_mac.pdfIn PDF document text
    • https://s3.amazonaws.com/kofabube/pojedomapepemugogu.pdfIn PDF document text
    • https://s3.amazonaws.com/rekawexuretowo/australian_passport_renewal_overseas_form.pdfIn PDF document text
    • https://s3.amazonaws.com/xanebavifamopez/accessory_to_war_neil_degrasse_tyson.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_off000118ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x118CE 5428 bytes
SHA-256: 40d9cd4125a1fdfbb27d12252bfd76ccc99aef8e71772b3df7584c0370d1cd2a
font_01_sfnt_off00012b41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12B41 12032 bytes
SHA-256: 9546862474198a6bfedb80e64e750aa499689894ac270984c4b63005c1a61370

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