Malicious PDF — malware analysis report

Static analysis result for SHA-256 478977007151ac59…

MALICIOUS

PDF

75.7 KB Created: 2022-04-01 17:35:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: fa28e5d5554f6a3c63fe9b2581f18f41 SHA-1: 4bbcee913b50e07e1655e96b05e203746138b85e SHA-256: 478977007151ac590e6e71ec886e327f98370774d3b5b5ecc6099e4a9457e5e0
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://colod.co.za/YmrXLWy8?keyword=the%20complete%20film%20production%20handbook%20eve%20light%20honthaner%20pdf PDF link annotation
    • http://coffeexclusive.com/kcfinder/upload/files/16904932998.pdfIn PDF document text
    • http://shuimotongyuan.com/userfiles/file/voritoxesevapederexuvugi.pdfIn PDF document text
    • http://www.memoriahistoricamalaga.org/ckfinder/userfiles/files/91979598638.pdfIn PDF document text
    • https://www.centralleiloes.com.br/admincentral/ckeditor/kcfinder/upload/files/bopudabedomesuxoze.pdfIn PDF document text
    • https://www.eclof.am/assets/ckeditor/kcfinder/upload/files/23407501988.pdfIn PDF document text
    • https://zadiletewus.weebly.com/uploads/1/3/4/5/134522124/kowomoledemas-veligavilaxire.pdfIn PDF document text
    • https://migirebunimalab.weebly.com/uploads/1/3/1/3/131383914/xomabuxabovuxe.pdfIn PDF document text
    • https://musazulawikale.weebly.com/uploads/1/3/5/3/135305526/9846484.pdfIn PDF document text
    • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/077990dea2110d0134885cb61ec87db8/8616561160.pdfIn PDF document text
    • http://crislbd.com/public/admin/assets/ckeditor/kcfinder/upload/files/xiwaxifirup.pdfIn PDF document text
    • https://dutajidadu.weebly.com/uploads/1/3/4/7/134730474/37806.pdfIn PDF document text
    • https://lisofagan.weebly.com/uploads/1/3/4/5/134598873/vaxexip-pinojeburum-magolaz-wuwatako.pdfIn PDF document text
    • https://jfd.news/app/webroot/uploads/files/bejipesefovugipilajavi.pdfIn PDF document text
    • https://wetugaremuzen.weebly.com/uploads/1/3/5/2/135298520/xokon-xipovogexazev-lavujemejirim.pdfIn PDF document text
    • http://www.la-rocca.pl/app/webroot/files/files/zadusalowibapi.pdfIn PDF document text
    • http://jyjwqj.com/uploadfile/file///2022022014502525.pdfIn PDF document text
    • https://yp05.com/_UploadFile/Images/file/sefefa.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_off0000c125.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC125 16752 bytes
SHA-256: 72f68e9317d4254097122cbf715a9a5f6cbc40394e473db0394cb151e468f521
font_01_sfnt_off0000ecdd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECDD 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000104f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x104F4 11260 bytes
SHA-256: 7470efc89dc7558347eac1ec61cc627872295f46cc0028a0c1946b567d45b116

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