Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7bb5df99f25548…

MALICIOUS

PDF

73.9 KB Created: 2020-12-22 02:40:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-19
MD5: 04e9ecf57d3ef277a154cdd2fc9513a1 SHA-1: 46af880463913532dcc77eb6350e85fe16a391de SHA-256: cd7bb5df99f2554824a2c890c226624cb8ba690e5c9721e6cdc3e23d94d010bf
244 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
  • 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/123?utm_term=skam+italia+season+2+episode+5 In PDF document text
    • https://xutesinazered.weebly.com/uploads/1/3/4/5/134529246/3e3ddad95.pdfIn PDF document text
    • https://wanuwoziburake.weebly.com/uploads/1/3/4/4/134458428/guneduzoverasalomufu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412164/normal_5fb5c6e6123ee.pdfIn PDF document text
    • https://wodedofa.weebly.com/uploads/1/3/4/3/134320626/jupuruwitufor.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4474176/normal_5fb8a8445d216.pdfIn PDF document text
    • https://fozufamegevavup.weebly.com/uploads/1/3/4/5/134586639/352633.pdfIn PDF document text
    • https://dosedupuwosiwoz.weebly.com/uploads/1/3/0/7/130776272/fazuwivir_nigoluvevix_vojewanoluwexa.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/93b5aeed-22f6-48dc-b396-95268840f772/42936372912.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/17e380ac-f085-45a5-82fa-8c28783bea8c/wozugowi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b16c9ef5-9955-4c4a-9709-321f11a5678d/74778650578.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3e87785f-6cba-428b-bace-d2e4f27abb21/mufogomizojadedasabur.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/992d02bb-bc99-4d89-a356-68eaac9d58a9/fiedlers_contingency_theory.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc78eacf59f035d0ccdc26a/t/5fca2cfd9bc93d20d9b77525/1607085310536/nujetivakigitavav.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_off0000e2ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2AC 5432 bytes
SHA-256: a92aa916997f892155d209bb26e0d349807dd432b13f2c54e926ade686d54ad3
font_01_sfnt_off0000f521.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF521 11528 bytes
SHA-256: 0c0ed2929b63e3ccecb9c3d415472cade0f48171f6b7cdf4c21e75fe1239db0a

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