Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2fe64b1cd989a46…

MALICIOUS

PDF

65.7 KB Created: 2022-08-12 14:30:52 +03:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 5.15.4) First seen: 2026-06-13
MD5: c32d2a1b669c0c65fb3484f1437c769b SHA-1: d8b76e3eb6f50c87da89c4da488e0c62005407c2 SHA-256: f2fe64b1cd989a4691839087062c3db97f4d2264e8381ffce2e5079fbe66c398
146 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 6

  • 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.
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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 http://joopsoa.com/wb3?utm_term=questionnaire%20on%20online%20shopping%20customer%20satisfaction%20pdf PDF link annotation
    • https://ferijivoko.weebly.com/uploads/1/3/5/3/135327637/bbe21.pdfIn PDF document text
    • https://zatiwakap.weebly.com/uploads/1/3/1/8/131871625/65f0c65.pdfIn PDF document text
    • https://vosapefutirosi.weebly.com/uploads/1/4/1/6/141611086/401892bbf41.pdfIn PDF document text
    • https://timamaxolumo.weebly.com/uploads/1/4/2/1/142105812/8b23b8.pdfIn PDF document text
    • https://saxijafuduzota.weebly.com/uploads/1/3/4/6/134692269/dc4bfa8d0152bf9.pdfIn PDF document text
    • https://faberumul.weebly.com/uploads/1/3/0/7/130739640/furumimarepa.pdfIn PDF document text
    • https://kurakere.weebly.com/uploads/1/4/1/8/141847772/743067.pdfIn PDF document text
    • http://ch-yang.com/upload/files/76301475168.pdfIn PDF document text
    • https://darusiroz.weebly.com/uploads/1/4/2/3/142337997/74433e.pdfIn PDF document text
    • https://rulipowijipej.weebly.com/uploads/1/3/0/7/130775545/tedugugufutil.pdfIn PDF document text
    • http://kapitan.eu/upload/files/14984634611.pdfIn PDF document text
    • https://suxoripe.weebly.com/uploads/1/4/1/3/141324711/3908768.pdfIn PDF document text
    • https://mefupawex.weebly.com/uploads/1/3/4/3/134317460/wawepawukuxivime.pdfIn PDF document text
    • https://verumoxozuvije.weebly.com/uploads/1/3/1/4/131407377/64f6e41b04c.pdfIn PDF document text
    • https://equator-maritime.com/userfiles/file/61780919743.pdfIn PDF document text
    • https://lilijivopot.weebly.com/uploads/1/3/4/5/134599675/kewoma.pdfIn PDF document text
    • https://rugadugunat.weebly.com/uploads/1/3/1/6/131606951/dawadefi.pdfIn PDF document text
    • https://budemarapi.weebly.com/uploads/1/3/1/3/131381681/d0ce1d129b9.pdfIn PDF document text
    • https://kekofazejigax.weebly.com/uploads/1/3/4/6/134600595/pimut.pdfIn PDF document text
    • http://www.bitstream.comIn 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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b33e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB33E 10312 bytes
SHA-256: 9fd7714e7d6048bdb23bc9df529b6524a1e30c4cc4b1516f780c63e5a0f875c4
font_01_sfnt_off0000cc4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC4F 16328 bytes
SHA-256: bf2154a7de69a258041f334c89977fe4c777d8650cc2a579ccf88f1b5abb2528

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