Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd79067bb9f665cf…

MALICIOUS

PDF

82.5 KB Created: 2022-04-25 15:20:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: cd48ef92da642477aa120159318b1933 SHA-1: 5a49e3651f6856a6114fbe97b78e010e841d0aa2 SHA-256: cd79067bb9f665cfb5002423b2f86003d3653caef46767f424e0e0e4717ee4ed
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9981

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://cafij.co.za/YmrXLWy8?keyword=my%20asus%20tablet%20won PDF link annotation
    • http://flairpens.ru/uploads/file/39311419843.pdfIn PDF document text
    • https://bawobejeburojax.weebly.com/uploads/1/3/1/1/131163695/1056389.pdfIn PDF document text
    • https://fanunidepaz.weebly.com/uploads/1/3/4/4/134474969/5051756.pdfIn PDF document text
    • https://evergreencans.com/userfiles/file/71165140330.pdfIn PDF document text
    • https://storycycle.com/ckfinder/userfiles/files/28136944740.pdfIn PDF document text
    • http://chinnanaidoo.org.za/kcfinder/upload/files/65699434104.pdfIn PDF document text
    • http://atsolution.org/userfiles/file/20220228051001413796996.pdfIn PDF document text
    • http://timocomputer.cz/files/file/dadijoxofejizolobubisomem.pdfIn PDF document text
    • https://ravojinukof.weebly.com/uploads/1/3/4/4/134476618/35fc8474fca6b35.pdfIn PDF document text
    • https://rubopawine.weebly.com/uploads/1/3/1/0/131070645/kadisuwu-lixuvu.pdfIn PDF document text
    • https://efnnma.org/files/file/kitunubid.pdfIn PDF document text
    • http://kultpro.ru/userfiles/files/35601951487.pdfIn PDF document text
    • https://puwukozo.weebly.com/uploads/1/3/4/5/134587621/2375588.pdfIn PDF document text
    • https://poxunafit.weebly.com/uploads/1/3/5/3/135330231/4777d0e7.pdfIn PDF document text
    • https://zatagigozot.weebly.com/uploads/1/3/0/7/130775916/kirabowawigofibor.pdfIn PDF document text
    • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/3ecf6a33845fb1a1f51329878d641036/fudevalezetetexuziv.pdfIn PDF document text
    • https://jinidixuwa.weebly.com/uploads/1/4/1/3/141349387/1742380.pdfIn PDF document text
    • http://duepassidalcentro.it/userfiles/files/42214496089.pdfIn PDF document text
    • https://dupevolorimix.weebly.com/uploads/1/3/4/5/134588768/ae8ee.pdfIn PDF document text
    • https://travelworld.ro/userfiles/file/66239275752.pdfIn PDF document text
    • https://www.stc-tn.com/webroot/upload/files/31331411874.pdfIn PDF document text
    • http://ndt-tl.ru/upload/file/nufozorod.pdfIn PDF document text
    • https://bevozuvegala.weebly.com/uploads/1/3/3/9/133999301/6489148.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_off0000db7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB7A 17496 bytes
SHA-256: 7d8e40d45ced8a125d3b5674485c3267f55b0185add71a1f0fe160905e499b71
font_01_sfnt_off00010990.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10990 10864 bytes
SHA-256: c3dec886226516758729dadcd54283c509e7b40f11f61e2a548b0e672a79bbfe
font_02_sfnt_off000122c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x122C1 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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