Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c8c816fd4f5d949…

MALICIOUS

PDF

75.5 KB Created: 2022-03-29 04:01:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-04
MD5: a9d6fe5ebe1da0ee1fbb62e76f29c68e SHA-1: ec1635efd3b185195fe91d80ced41ffa85b7c18e SHA-256: 2c8c816fd4f5d949105da7b654faf542c04f5fde24cf2ca8eee48418fb273b47
234 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

Heuristics 8

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=john%20the%20ripper%20syntax%20kali PDF link annotation
    • https://lakiromepokina.weebly.com/uploads/1/3/4/5/134589127/36dfe7abaf.pdfIn PDF document text
    • https://xasigorokukexef.weebly.com/uploads/1/3/4/8/134891024/8915245.pdfIn PDF document text
    • https://lelidejob.weebly.com/uploads/1/3/4/6/134643066/siraluk.pdfIn PDF document text
    • https://zoliparudoluja.weebly.com/uploads/1/3/4/6/134662317/poguxozezodekugagow.pdfIn PDF document text
    • https://jevilorusijugif.weebly.com/uploads/1/3/0/8/130874204/75555137.pdfIn PDF document text
    • https://visuzajekug.weebly.com/uploads/1/3/4/3/134305902/foleg.pdfIn PDF document text
    • https://dalosetog.weebly.com/uploads/1/3/1/4/131412235/216f1cc702.pdfIn PDF document text
    • https://sivenusa.weebly.com/uploads/1/3/1/1/131164431/zexedumibebo_gawajobevovena.pdfIn PDF document text
    • https://dusaxufar.weebly.com/uploads/1/3/5/3/135327992/nomuzuz.pdfIn PDF document text
    • https://visuzajekug.weebly.com/uploads/1/3/4/3/134305902/0c047235dc.pdfIn PDF document text
    • https://giwelexe.weebly.com/uploads/1/3/0/8/130814055/bfe6d.pdfIn PDF document text
    • https://zogazipo.weebly.com/uploads/1/3/2/3/132303407/2934671.pdfIn PDF document text
    • https://verozofuxedu.weebly.com/uploads/1/3/4/3/134330920/d983fcd5d5dbc.pdfIn PDF document text
    • https://tirigimufaregi.weebly.com/uploads/1/3/4/4/134464067/mogokomidakav-befunekuzu-penubaberik.pdfIn PDF document text
    • https://jebezowurexa.weebly.com/uploads/1/3/4/5/134576847/8643631.pdfIn PDF document text
    • https://sezenoxesakibek.weebly.com/uploads/1/3/0/7/130740551/newagixugija_vupufin.pdfIn PDF document text
    • https://zoxalutaj.weebly.com/uploads/1/3/1/4/131407742/36b01.pdfIn PDF document text
    • https://posodukur.weebly.com/uploads/1/3/4/3/134347560/b8a42f6e.pdfIn PDF document text
    • https://dunudodijozu.weebly.com/uploads/1/3/0/8/130813966/e70ff99dc18de.pdfIn PDF document text
    • https://ravotevasubi.weebly.com/uploads/1/4/1/2/141218164/466afbea1e1.pdfIn PDF document text
    • https://wavinibavuma.weebly.com/uploads/1/3/1/3/131398010/eb39bbea6b.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c356.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC356 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off0000d9f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9F5 17140 bytes
SHA-256: b5116aa2d9071a65b325677464ff2cb23bd21b30c6a609f8dfa4042a8fcad993
font_02_sfnt_off000106ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106ED 10648 bytes
SHA-256: 27cc24ae8600c0af629b0f5f6eb0bb3c136ec96ba20c3ee08b234ef96f5bd8bf

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