Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d650b8c32bbaac…

MALICIOUS

PDF

82.8 KB Created: 2022-04-13 10:55:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: b7f8ce69ffb3e50852749bbea08e50eb SHA-1: 58d7dac6da1a449aebc34ec61a58518e69e3fefa SHA-256: c5d650b8c32bbaac55c78df6b423837a981f5f360aadf5a12782b81e1fe7b5ee
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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=jvc%20kd-r200%20manual PDF link annotation
    • https://jazorematigim.weebly.com/uploads/1/3/4/8/134862517/kobot_vivogu_tomakorenoz.pdfIn PDF document text
    • https://fusupolupiritox.weebly.com/uploads/1/3/4/3/134374508/92f0b.pdfIn PDF document text
    • https://kuvitarige.weebly.com/uploads/1/3/4/0/134095916/gunubonomawalu.pdfIn PDF document text
    • https://givenuwijuzi.weebly.com/uploads/1/3/4/4/134445792/romadamavovemoj_xomadosej_zijibukopijorix.pdfIn PDF document text
    • https://sivusizawijavoj.weebly.com/uploads/1/3/4/4/134482483/rosejalipipetona.pdfIn PDF document text
    • https://avphunter.ro/ckfinder/userfiles/files/wufedufur.pdfIn PDF document text
    • https://loyallcanada.net/editor_files/file/31408842931.pdfIn PDF document text
    • https://nuvapagizete.weebly.com/uploads/1/3/4/7/134748671/xojemukup_nifavoridol_faruxuvo_wuniwad.pdfIn PDF document text
    • https://obo.olsztynek.pl/assets/includes/kcfinder/upload/files/tusalugupizuwujuka.pdfIn PDF document text
    • https://gelekale.weebly.com/uploads/1/3/4/2/134266195/ebc30442e0fa62.pdfIn PDF document text
    • http://jcmb.gris-de-payne.fr/app/webroot/kcfinder/files/gizosifapabu.pdfIn PDF document text
    • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1623e20eb55766---kidalomike.pdfIn PDF document text
    • https://xogedanubukojoj.weebly.com/uploads/1/3/4/4/134491538/zudajadimotemil-javexezewexe.pdfIn PDF document text
    • https://glycocalyx.nl/userfiles/image/file/87911266619.pdfIn PDF document text
    • https://sadogadodewinog.weebly.com/uploads/1/3/4/3/134311907/fofamaw.pdfIn PDF document text
    • http://studiolorenzino.eu/userfiles/files/24385039584.pdfIn PDF document text
    • https://rinixupikexem.weebly.com/uploads/1/3/4/0/134096042/4569917.pdfIn PDF document text
    • https://radinake.weebly.com/uploads/1/3/1/8/131856095/7901445.pdfIn PDF document text
    • https://tapenaje.weebly.com/uploads/1/4/1/3/141371187/72f8368bb5cd3.pdfIn PDF document text
    • http://automotrizvasquez.com/noticias/files/pumowumanarexaxifexoru.pdfIn PDF document text
    • https://bolefusugo.weebly.com/uploads/1/3/4/8/134868203/c314fac3809d5a5.pdfIn PDF document text
    • https://bevaxudemu.weebly.com/uploads/1/3/4/3/134318806/2a740c360.pdfIn PDF document text
    • https://vilotirupoj.weebly.com/uploads/1/3/5/3/135328316/291126.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_off0000db72.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB72 18624 bytes
SHA-256: 22aaca7630eb3e399dbb3ba3b48851f3abc2eca232eb1ee71092a8e4c6b5ecdc
font_01_sfnt_off00010d37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D37 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0001254e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1254E 10448 bytes
SHA-256: 575d8b4db8c671dc7bf16ff6940c51c8db8f58195d8dd4d64a7abb4d2ab9943c

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