Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c128f4075539ece…

MALICIOUS

PDF

64.5 KB Created: 2021-02-17 05:27:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: d3ccd73fc35a66b3658efe55e4ac8c67 SHA-1: 8cc95e9eeef7082193564a2faad2461791311c8c SHA-256: 0c128f4075539ece0e4db471c871beadd450cebb43ddbba667dfc512d2d5bd35
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://jottigo.ru/wix?keyword=boat+trailer+guide+posts+near+me PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4374189/normal_5fc71be240013.pdfIn PDF document text
    • http://doweryklkq.space/15656317435jsutg.pdfIn PDF document text
    • https://cdn.sqhk.co/bowazeduz/jwP3RDP/xutoxemaxuruzisumozunukof.pdfIn PDF document text
    • http://proba7.xyz/37526410757j3wb9.pdfIn PDF document text
    • http://lightly.store/anet_a8_parts4rokp.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410418/normal_601183b8984f8.pdfIn PDF document text
    • http://discount50.pro/6854498009539t6x.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4385613/normal_5fee06e71e69f.pdfIn PDF document text
    • http://myluckywin.site/introduction_to_kinesiology_4th_edition_study_guideu676h.pdfIn PDF document text
    • http://ultra0.space/34239958809mqfpa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416132/normal_5ff9378ff3cb3.pdfIn PDF document text
    • http://moviesaddaa.online/alfa_romeo_159_parts_manualv26kd.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/tidigudetefumof/cuddledown_fitted_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/lanubili/64671367948.pdfIn PDF document text
    • https://s3.amazonaws.com/kujapomib/taekwondo_blue_stripe_belt_form.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b477.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB477 5208 bytes
SHA-256: 25359be66a2229b00b3e5036b25284a92f1272a74d6302b2d311d54f022c1ecf
font_01_sfnt_off0000c610.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC610 9580 bytes
SHA-256: 7e32cd5eefe36bca88f212d71953a3700c3588d3d9ec694b574d4423abe6ce0f
font_02_sfnt_off0000e6c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6C2 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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