Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a18cfb900cb766a…

MALICIOUS

PDF

79.1 KB Created: 2022-03-31 19:58:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-30
MD5: 66280dbd11270196c992a50b2e86f5b5 SHA-1: 02c963ed1d92a94e3fa1e1e704a2707877e3db66 SHA-256: 5a18cfb900cb766a7c5eacd48c9744c0807743ded0581d05c9045a7251372995
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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=mindhunter%20john%20douglas%20pdf PDF link annotation
    • https://tiketutowiko.weebly.com/uploads/1/3/5/3/135345961/sulenifanebamevolagu.pdfIn PDF document text
    • https://mofalapew.weebly.com/uploads/1/3/4/3/134307760/81256f8e744.pdfIn PDF document text
    • https://memabalizova.weebly.com/uploads/1/3/4/4/134490842/744523.pdfIn PDF document text
    • http://www.contal-farmer.com/uploads/files/todukapozimap.pdfIn PDF document text
    • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/c9bd533ba9b41fa82c0f9c07853a13de/11058660599.pdfIn PDF document text
    • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/7qjboisofigt2a8vmdp5nof3g3/xinelagodinusu.pdfIn PDF document text
    • https://wufodiwefoveve.weebly.com/uploads/1/3/4/8/134891768/b38d7b0aaed.pdfIn PDF document text
    • http://parquet-cortes.fr/data/Files/40439907438.pdfIn PDF document text
    • https://zedemozotazodi.weebly.com/uploads/1/3/0/7/130776451/1681107.pdfIn PDF document text
    • https://zipazoraxegav.weebly.com/uploads/1/3/4/3/134325660/renoxofemivipet_kubef_wepusisinamin.pdfIn PDF document text
    • https://jevakotimafunu.weebly.com/uploads/1/3/4/8/134878594/5097713.pdfIn PDF document text
    • https://liwuluvawemekot.weebly.com/uploads/1/3/7/5/137509347/7028174.pdfIn PDF document text
    • https://xidatebomi.weebly.com/uploads/1/3/5/3/135326438/7270515.pdfIn PDF document text
    • https://www.natursany.com/ckfinder/userfiles/files/37987359504.pdfIn PDF document text
    • https://kossuth-csepel.hu/inc/kcfinder/upload/files/54205541047.pdfIn PDF document text
    • https://kadukutinebi.weebly.com/uploads/1/3/4/7/134747046/jagumidijemowore.pdfIn PDF document text
    • https://essaidafm.com/uploads/FCK_files/file/kafigafot.pdfIn PDF document text
    • https://labejewatek.weebly.com/uploads/1/3/5/3/135399287/lojuf-zifonazigiji-degafanokedavet-jezapamegiwa.pdfIn PDF document text
    • https://bodonoweti.weebly.com/uploads/1/3/1/8/131856710/xazerif.pdfIn PDF document text
    • https://budasanufewe.weebly.com/uploads/1/3/5/3/135323580/640c2.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_off0000cf75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF75 17552 bytes
SHA-256: c327f7b14cee83b4fa1c797ec7059a27c28acedf2324e1e0f8190963864d761a
font_01_sfnt_off0000fdb1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDB1 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000115c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x115C8 11000 bytes
SHA-256: b277e612fcfbbcb65848faa5f2d300b23ae919134dffb50b49ddb3e7976d5c06

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