Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7c78cbfb60b29d…

MALICIOUS

PDF

80.1 KB Created: 2022-03-25 21:50:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 533c145eb2d0fe8ad463e5a522eb53bc SHA-1: 75c608e54b35f41f75d3faea5c912ad9730a4783 SHA-256: cd7c78cbfb60b29d6d3248c6a1f49c1edbcb2dec227360d9cd60b3d524adb1fc
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9981

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://yoyep.co.za/YmrXLWy8?keyword=equivalent%20fractions%20worksheet%20pdf%20grade%206 PDF link annotation
    • https://sizolofowexowar.weebly.com/uploads/1/3/5/3/135350689/bbc3e040dc71a.pdfIn PDF document text
    • https://fawurefo.weebly.com/uploads/1/3/4/4/134441885/5012088.pdfIn PDF document text
    • https://zazivobonapi.weebly.com/uploads/1/3/2/6/132696398/konowa_munal.pdfIn PDF document text
    • https://zadumeredevasax.weebly.com/uploads/1/3/1/4/131453870/325218.pdfIn PDF document text
    • https://zakazorexan.weebly.com/uploads/1/3/1/4/131407051/lipomokozuxexa.pdfIn PDF document text
    • https://bomaripuxizidul.weebly.com/uploads/1/3/4/9/134901287/lugodexerimunu.pdfIn PDF document text
    • https://bisebisa.weebly.com/uploads/1/3/1/4/131406118/ganad.pdfIn PDF document text
    • https://buxexuwuf.weebly.com/uploads/1/3/4/6/134660927/bunufurovi.pdfIn PDF document text
    • https://tonurokekar.weebly.com/uploads/1/3/4/4/134456200/jilofejajixawas-satosaroxato-buwabifu.pdfIn PDF document text
    • https://wazawuxara.weebly.com/uploads/1/3/4/7/134762715/e8492a0.pdfIn PDF document text
    • https://ranogokosupevi.weebly.com/uploads/1/3/1/4/131454436/7ad87ccbf88be99.pdfIn PDF document text
    • https://luminesip.weebly.com/uploads/1/3/4/1/134108660/9748045.pdfIn PDF document text
    • https://zuzesewijolane.weebly.com/uploads/1/3/1/4/131406438/008b6370948f0.pdfIn PDF document text
    • https://wetogukonitama.weebly.com/uploads/1/3/3/9/133997956/e17a9168d2d0b7.pdfIn PDF document text
    • https://meronikam.weebly.com/uploads/1/3/4/7/134705372/e151d.pdfIn PDF document text
    • https://galibemad.weebly.com/uploads/1/3/1/8/131856827/23b09ac726313.pdfIn PDF document text
    • https://xatiletovolut.weebly.com/uploads/1/3/1/4/131409128/82b99815395abb.pdfIn PDF document text
    • https://fuwelobuzade.weebly.com/uploads/1/3/4/6/134649994/benavawob.pdfIn PDF document text
    • https://pikimekexer.weebly.com/uploads/1/3/4/5/134587048/2222204.pdfIn PDF document text
    • https://xipuruvu.weebly.com/uploads/1/3/4/6/134654852/6ed4ebfc22fd.pdfIn PDF document text
    • https://mitosimizede.weebly.com/uploads/1/3/4/3/134372473/xaloninaxab.pdfIn PDF document text
    • https://bifuwesulowun.weebly.com/uploads/1/3/4/3/134308915/fd66e71.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_off0000cfa3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCFA3 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off0000e647.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE647 11540 bytes
SHA-256: 369fc459fe6bec8c8782010c85221111093e20c7e196c95cdfbc4738579d53f3
font_02_sfnt_off0001012c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1012C 19468 bytes
SHA-256: 8c243ba030624e19d51648573f930508e2ac55d825fe0044bbf44edb0cf1297f

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