Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ce633b69c3d43ce…

MALICIOUS

PDF

72.1 KB Created: 2021-03-05 00:27:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: c025b8ea57345f4dcfdf849716eb6826 SHA-1: b9e8435817abce98caeffe816bf677ba59705ae7 SHA-256: 2ce633b69c3d43ce61cc76fed2294daefda5bbcbc32a77bbc354793d52089b98
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://druttle.ru/award?keyword=smart+car+repairs+london PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4454052/normal_5fce5a1b231e2.pdfIn PDF document text
    • https://jupuwova.weebly.com/uploads/1/3/1/4/131409597/romumew_xobozosor.pdfIn PDF document text
    • https://wolunogejafijut.weebly.com/uploads/1/3/4/6/134649672/8043091.pdfIn PDF document text
    • http://prod-fruit.space/73667045705k2acx.pdfIn PDF document text
    • https://ginuwawabesinu.weebly.com/uploads/1/3/1/1/131164414/8651354.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426416/normal_601105892f8ec.pdfIn PDF document text
    • https://jufomefafuxujo.weebly.com/uploads/1/3/4/8/134890319/1769076.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416940/normal_603a22ff219c7.pdfIn PDF document text
    • https://nodajalij.weebly.com/uploads/1/3/5/9/135990600/xidoratakekepofa.pdfIn PDF document text
    • http://pedrons.space/202096548473f6bd.pdfIn PDF document text
    • https://zurudepovog.weebly.com/uploads/1/3/1/4/131438860/8886574.pdfIn PDF document text
    • https://pitazifuriza.weebly.com/uploads/1/3/0/9/130969431/juzimezeke.pdfIn PDF document text
    • http://vixegoxufareka.getenjoyment.net/37514313476.pdfIn PDF document text
    • http://citruss.space/another_day_in_paradise_quinn_piano_chordsbiq4v.pdfIn PDF document text
    • http://kasaxeko.mypressonline.com/dopoman.pdfIn PDF document text
    • http://italystore.pro/divedogajumeroguvilidim0l8oc.pdfIn PDF document text
    • https://birijoxumel.weebly.com/uploads/1/3/4/5/134587798/nuxifijadajeguk.pdfIn PDF document text
    • https://tifixexeruwa.weebly.com/uploads/1/3/2/6/132682204/genumusajuxu_nujivo_sezof.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://molujafit.atwebpages.com/how_to_format_a_mla_research_paper.pdfIn PDF document text
    • http://namepafubi.atwebpages.com/xozikovarobujedoranutajo.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_off0000ded8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDED8 5324 bytes
SHA-256: f126b570d559d9a56a8d9afaed38d9fd518e9008e399e10c3091b19979a883aa
font_01_sfnt_off0000f0d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0D1 10080 bytes
SHA-256: 80451774627cf00a3d6d51b3417f8e87ce9021db906fd313332b5d263c3b5ffa

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