Malicious PDF — malware analysis report

Static analysis result for SHA-256 af234cf521068af1…

MALICIOUS

PDF

72.8 KB Created: 2022-03-25 12:57:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: f84ea65b175b1a4c82c9aa235813cec4 SHA-1: 2bee95f69862fdf59448776a007ca8af00ddeb97 SHA-256: af234cf521068af17730665b3a1f048a70008c998f1d2311941ce5a8d3e13615
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

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://yubit.co.za/YmrXLWy8?keyword=ugly%20love%202016%20full%20movie%20download PDF link annotation
    • https://wisapapeb.weebly.com/uploads/1/3/4/5/134594170/6f512a9c40.pdfIn PDF document text
    • https://jebupamix.weebly.com/uploads/1/3/6/0/136098333/manaxewogeguk.pdfIn PDF document text
    • https://nunokewapi.weebly.com/uploads/1/3/5/9/135961733/4373336.pdfIn PDF document text
    • https://kopadababipa.weebly.com/uploads/1/3/4/5/134502609/mutalurilenod.pdfIn PDF document text
    • https://tototatinup.weebly.com/uploads/1/3/4/3/134332383/5720176.pdfIn PDF document text
    • https://fizolapojola.weebly.com/uploads/1/3/1/3/131383549/6411188.pdfIn PDF document text
    • https://balabirow.weebly.com/uploads/1/3/4/6/134690292/201c12c93.pdfIn PDF document text
    • https://tedofejufada.weebly.com/uploads/1/3/0/7/130775935/723c4.pdfIn PDF document text
    • https://jeruxonoja.weebly.com/uploads/1/3/1/4/131407493/gokenin_riruzopa_zebup_dosututuniz.pdfIn PDF document text
    • https://xamegazu.weebly.com/uploads/1/3/4/4/134440804/befejanotav-lexabepebirabuw.pdfIn PDF document text
    • https://tipidaxu.weebly.com/uploads/1/3/0/7/130739537/cd6b9bcc6.pdfIn PDF document text
    • https://kiseridebajesa.weebly.com/uploads/1/3/1/4/131408791/11ac07b1de.pdfIn PDF document text
    • https://xinemituvirow.weebly.com/uploads/1/3/4/1/134108685/pazixamolafov.pdfIn PDF document text
    • https://fefugenaxidoseb.weebly.com/uploads/1/3/1/3/131380158/52a1b51ad10491.pdfIn PDF document text
    • https://ledagesobefe.weebly.com/uploads/1/3/4/3/134367542/lelevuwunipizisojuwe.pdfIn PDF document text
    • https://tekujutiwud.weebly.com/uploads/1/3/4/2/134234893/besogutifenas.pdfIn PDF document text
    • https://wuwuleli.weebly.com/uploads/1/3/1/3/131398564/sukepajebomevu.pdfIn PDF document text
    • https://zinubokutedoses.weebly.com/uploads/1/3/5/9/135956806/533842.pdfIn PDF document text
    • https://zukepuroxile.weebly.com/uploads/1/3/4/7/134746995/lovetajazad_fakamuvamasex_gosodewaxot_desaxafuterab.pdfIn PDF document text
    • https://nonudefetug.weebly.com/uploads/1/3/4/3/134314303/5f5969e.pdfIn PDF document text
    • https://jiwefirufij.weebly.com/uploads/1/3/4/3/134370204/7306818.pdfIn PDF document text
    • https://firikanafumofud.weebly.com/uploads/1/3/0/9/130969048/sanaxeguxoga_fawalerijagejur.pdfIn PDF document text
    • https://gejimedetudumi.weebly.com/uploads/1/3/3/9/133997730/4c1b41dbd3.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b514.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB514 17576 bytes
SHA-256: 381cb2fdfdcaba73e947e4ef8a43b534f43ca3e76644b9fddb4ae45afd4e2385
font_01_sfnt_off0000e29c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE29C 11164 bytes
SHA-256: 34a3522b1b9e3f8552f57089188b8513b98f3ac229417ac11d775a053b755a3d
font_02_sfnt_off0000fcaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCAA 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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