Malicious PDF — malware analysis report

Static analysis result for SHA-256 9417aca0e8cc8516…

MALICIOUS

PDF

72.2 KB Created: 2020-12-05 12:09:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-12
MD5: 4c77d1d9b9cb17dd6cd05635434e2bbb SHA-1: d1309fdbb2bf4c20d2bf5f4a7d7026e2fe4a8bd4 SHA-256: 9417aca0e8cc8516df7e959fef215a2bed9ce5a330dfc2b5b0b987b5f0f93b05
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 7

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://trafffi.ru/wb?keyword=vsco%20full%20filter%20apk%20free PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4374545/normal_5fa1de3b9a26f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382958/normal_5f8d040456776.pdfIn PDF document text
    • https://vigekajabaka.weebly.com/uploads/1/3/4/7/134708837/6516377.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365660/normal_5f889185476b3.pdfIn PDF document text
    • https://juzowugaf.weebly.com/uploads/1/3/4/7/134773334/8b1b5e4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447888/normal_5fc4bff418deb.pdfIn PDF document text
    • https://varusimutajol.weebly.com/uploads/1/3/4/5/134502614/4801277.pdfIn PDF document text
    • https://nitikado.weebly.com/uploads/1/3/4/6/134660078/jazikevesa.pdfIn PDF document text
    • https://xekixudag.weebly.com/uploads/1/3/4/3/134336078/9e718bdb432.pdfIn PDF document text
    • https://firedisivimi.weebly.com/uploads/1/3/0/9/130969818/waruv.pdfIn PDF document text
    • https://xoregofejaba.weebly.com/uploads/1/3/4/6/134651656/7ad6f80bedd879f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fc5c92c11f6a41984a72880/t/5fc8d3b5217b3604ede60baa/1606996918493/89696323694.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ff465741-1a5c-4cb9-a209-00abc19f13b8/30770053429.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/63683352-2405-4b09-b47a-f7f8e043e95e/64820186766.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca394e05-bd4b-4a2d-9fa2-c29e21a97f3f/wodirorojajadikoletu.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc2aa5268612547ed696d4d/t/5fc551da3c6ccf69f30ef66d/1606767066766/what_are_the_goals_of_psychology_and_examples.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/39be77e1-f217-4057-9243-4fea8ba0f67f/30450104792.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_off0000d52f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD52F 5040 bytes
SHA-256: 704fc30b002ae9a0710acd4bad3283c256b463e36e4f1e4624c49f15dc1cc556
font_01_sfnt_off0000e667.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE667 1800 bytes
SHA-256: e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d
font_02_sfnt_off0000eef5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEF5 10776 bytes
SHA-256: cf07d18995a812aa9072a159e8566f80d2a09af03521046b0131939862cb583a

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