Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a145bb0dbfd7c57…

MALICIOUS

PDF

75.3 KB Created: 2022-04-26 16:36:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-31
MD5: 4bfb4548756194b2886751a956d4d4ca SHA-1: 4fc1b4c91d868796f24b82235c4cd62a51159963 SHA-256: 5a145bb0dbfd7c571f8483529688f96ecda841c93f5a26720d63a5db5770fc2f
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9953

Heuristics 7

  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://tevav.co.za/YmrXLWy8?keyword=whirlpool%20quiet%20partner%20ii%20not%20draining PDF link annotation
    • http://ranc.hyncice.eu/userfiles/file/najexifimapizuroreg.pdfIn PDF document text
    • http://rbn.org.np/public/admin/plugin/kcfinder/upload/files/tekumatekunoduzixobawaw.pdfIn PDF document text
    • https://rezepurobej.weebly.com/uploads/1/3/5/3/135327696/nosexe_winopiwofa_sixivenugon_dipoxixugopuka.pdfIn PDF document text
    • https://ossarentacar.cl/admin/uploads/file/pinodoxatelawu.pdfIn PDF document text
    • https://tiwamufeg.weebly.com/uploads/1/3/1/8/131871705/vutateku.pdfIn PDF document text
    • https://zumutunamoja.weebly.com/uploads/1/3/4/5/134588160/94e21e7c4a6a9.pdfIn PDF document text
    • https://tekevifumufov.weebly.com/uploads/1/3/0/7/130739519/7312066.pdfIn PDF document text
    • http://rajicpetrol.rajic-intertrade.com/rajic/system/upload/file/zaruvataj.pdfIn PDF document text
    • https://pakistanchristiancongress.pakistanchristianpost.com/userfiles/file/zepudibuwidavixo.pdfIn PDF document text
    • https://lean-ds.com/upload/editor/file/talureburumola.pdfIn PDF document text
    • http://kifei.ru/files/files/dedijasivumukoz.pdfIn PDF document text
    • http://twilaw.com/files/files/bowerevadopibularix.pdfIn PDF document text
    • https://lakimiweganenim.weebly.com/uploads/1/4/1/2/141251840/felijuwezerujoli.pdfIn PDF document text
    • https://padomixuboji.weebly.com/uploads/1/3/4/5/134527159/ragunuxijake_vipusilifasowe_rodoxibusoxama.pdfIn PDF document text
    • https://wovebisaji.weebly.com/uploads/1/3/4/6/134687394/ligar.pdfIn PDF document text
    • https://nguyenthelong.net/userfiles/files/96511522175.pdfIn PDF document text
    • https://kuadrifoglio.it/upload/userfiles/files/xajafutaxuxejarivozatuv.pdfIn PDF document text
    • https://slotpt2.com/contents/files/pifudiro.pdfIn PDF document text
    • https://daaeportrett.no/upload/file/91710102297.pdfIn PDF document text
    • https://sikafajowed.weebly.com/uploads/1/3/4/7/134757433/8359800.pdfIn PDF document text
    • http://homespecs.homeinspectorpro.mobi/sites/homeinspectorpro.mobi/files/file/zilofozowineno.pdfIn PDF document text
    • https://gipodebitu.weebly.com/uploads/1/3/6/0/136000977/gulimevogiwazi-lulogonaluz-vetij.pdfIn PDF document text
    • http://nishikizushi.com/js/kcfinder/upload/files/fivuwugimegudal.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_off0000c35d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC35D 10740 bytes
SHA-256: e9b59a2ffba73de0ac944e33117c2afebe5ac6b218650f5fa0a523d7907cea34
font_01_sfnt_off0000db73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB73 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000f385.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF385 16996 bytes
SHA-256: ecf074a46f0120c9be8d703e6880debbefb8eb00b6f66f2495a2f66a17a2738b