Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0c0fa93d747db52…

MALICIOUS

PDF

74.7 KB Created: 2022-06-03 03:20:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-02
MD5: bda2929a1b34e850ef27baa8122990a2 SHA-1: def916979c5db61f8bb51ec5729974b635c4f670 SHA-256: c0c0fa93d747db5283462c58c1511b96b2931a4220f757772f61e6e7fa44f49a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • 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 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://questyme.ca/userfiles/file/mexovede.pdf In PDF document text
    • https://xejevegufukax.weebly.com/uploads/1/3/0/9/130969627/teligetiwo.pdfIn PDF document text
    • http://zhongkerb.com/userfiles/file/wanudavosorasuzumeni.pdfIn PDF document text
    • https://fme.ba/kcfinder/files/69453757369.pdfIn PDF document text
    • http://donghobaoan.com/uploads/files/16933130437.pdfIn PDF document text
    • http://hammaddedunyasi.com/panel/kcfinder/upload/files/tifiwutimulodosi.pdfIn PDF document text
    • http://ultrarelaxedcbd.com/newerac2c/userfiles/file/2558142800.pdfIn PDF document text
    • http://knupress.com/pds/editor/file/92052570986.pdfIn PDF document text
    • http://szm.hu/userfiles/file/20716547001.pdfIn PDF document text
    • http://avomanel.com/cliente/conteudos/files/vukodivetelakixemow.pdfIn PDF document text
    • http://contelex.it/userfiles/files/97624442359.pdfIn PDF document text
    • http://fredericjean.net/oplusco/file/dunenafokovikukujumozive.pdfIn PDF document text
    • https://handmade.sdelaemlegko.ru/files/userfiles/files/dujudowedifepiwubatod.pdfIn PDF document text
    • https://xidoxuzi.weebly.com/uploads/1/3/4/7/134707988/3618493.pdfIn PDF document text
    • https://xotiroxo.weebly.com/uploads/1/3/0/7/130776105/2942434.pdfIn PDF document text
    • http://sncelamel-dz.com/app/webroot/assets/js/kcfinder/upload/files/17559496747.pdfIn PDF document text
    • https://sefazukibo.weebly.com/uploads/1/4/1/5/141507012/6f2f905.pdfIn PDF document text
    • https://sufexijim.weebly.com/uploads/1/3/4/6/134679247/5669856.pdfIn PDF document text
    • https://detectagsafety.com/ckfinder/userfiles/files/96033094431.pdfIn PDF document text
    • https://netshopnepal.com/userfiles/file/60334608639.pdfIn PDF document text
    • https://ispartaorganizasyon.com/ckfinder/upload/files/1601313114.pdfIn PDF document text
    • https://wirut.co.za/YmrXLWy8?keyword=anton%20calculus%20book%20download%20pdf%20full%20version%20windows%2010PDF link annotation
    • 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 extracted file (font_00_sfnt_off0000b8ec.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b8ec.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b8ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB8EC 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000d0fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0FE 18220 bytes
SHA-256: b93085936b499a9052994e2bdf22cbd48df7b33b9f4605a7a3f02b349c724fdc
font_02_sfnt_off00010052.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10052 11252 bytes
SHA-256: c22f07e649edc13e73b544769d5ff05f2e4b3cb51cabd7c56b3681abdb827457