Malicious PDF — malware analysis report

Static analysis result for SHA-256 72b95207b9337eff…

MALICIOUS

PDF

67.4 KB Created: 2020-11-10 18:41:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-28
MD5: 0771a255d3db977b4e6a4327ec38a586 SHA-1: 3c68135ceb1333a33f779b20b759490bbe99f587 SHA-256: 72b95207b9337eff8c46682262e62c8f142f86149ddbd8d978c7fbb4011e1978
244 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://gettraff.ru/strik?keyword=warlock+dnd+5e+hellish+rebuke In PDF document text
    • https://tavikumor.weebly.com/uploads/1/3/4/4/134476146/fadolaninoxuxeg.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369336/normal_5f90b2fa3f753.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383149/normal_5f93c87320e58.pdfIn PDF document text
    • https://volejodanuba.weebly.com/uploads/1/3/4/5/134593723/rejegova_xozokisamako.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373788/normal_5f9a72c5e79b7.pdfIn PDF document text
    • https://wojizenufojanog.weebly.com/uploads/1/3/4/7/134724603/damuzo.pdfIn PDF document text
    • https://lefedatit.weebly.com/uploads/1/3/0/7/130776734/zawotezib-notetinu-konef-vuvelariren.pdfIn PDF document text
    • https://nevedaroxizewav.weebly.com/uploads/1/3/4/5/134592578/kixiwevaworodok.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424378/normal_5fa725c4f061e.pdfIn PDF document text
    • https://fagisidide.weebly.com/uploads/1/3/2/6/132682833/bomagev_zavonabewud_fenorewusar_kezofenetig.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368979/normal_5f91b3b1de558.pdfIn PDF document text
    • https://bizetuxerupa.weebly.com/uploads/1/3/0/8/130873791/wasebedoxiwom.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/f1cab9a1-0a36-45f9-815f-5a16d692edc7/uke_tabs_steven_universe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/69395225-215d-416c-b1db-5ad3208fa3e1/zawow.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_off0000c884.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC884 5368 bytes
SHA-256: 0158f1874d2001d56781d860093c64b4d57dcd1827fc42d9fb3526d49fa64df2
font_01_sfnt_off0000dace.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDACE 11356 bytes
SHA-256: 99d57b36e541a9a05261ea584808a638a29cc490b65cbb0c6f1c545843f0158a

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