Malicious PDF — malware analysis report

Static analysis result for SHA-256 445536f8e883eb3e…

MALICIOUS

PDF

73.5 KB Created: 2022-04-21 12:41:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-11
MD5: 4d8c389c2ea1edea4a81b269f7a10c14 SHA-1: 8996139a2bdb21cb3b527b7bf46324f67fbdc102 SHA-256: 445536f8e883eb3e25c029c060d8f45d1386cd752931801d500f2cb9808c24d3
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://tevav.co.za/YmrXLWy8?keyword=how%20to%20transfer%20keynote%20to%20imovie%20on%20ipad PDF link annotation
    • https://latiratigu.weebly.com/uploads/1/3/1/1/131164156/488f9a0fd7bb.pdfIn PDF document text
    • https://lawawumusew.weebly.com/uploads/1/3/4/7/134765042/fomifasofejid_fodiposevorawu_wetifuxow.pdfIn PDF document text
    • https://bobuvuxatuf.weebly.com/uploads/1/3/7/5/137519798/wuxisesurofari_lojugeg.pdfIn PDF document text
    • http://www.octopus-quatuorvocal.com/ckfinder/userfiles/files/rezatatukuxojasamixaviv.pdfIn PDF document text
    • https://koxamuru.weebly.com/uploads/1/3/4/8/134890845/tuzusiwumin_tetizegu.pdfIn PDF document text
    • http://areopag-group.ru/sites/default/files/uploads/xunisupabedebigaroxanu.pdfIn PDF document text
    • http://luxlustry.ru/img/upload/16087346285.pdfIn PDF document text
    • http://briquettemachinery.com/d/files/witan.pdfIn PDF document text
    • https://zexilenepo.weebly.com/uploads/1/3/4/4/134461718/girinijolo.pdfIn PDF document text
    • http://1111.morefriendship.com/upload/files/juvukarabozoduloni.pdfIn PDF document text
    • https://lenopeseku.weebly.com/uploads/1/3/4/0/134040497/52026c517577.pdfIn PDF document text
    • http://karinameal.ru/imgdish/files/41657808923.pdfIn PDF document text
    • http://xn--365-pn7mwb654m2qn.com/ckupload/files/guvugibamurupex.pdfIn PDF document text
    • http://www.anieliasfx.com/uploads/textareas/file/puzisogumon.pdfIn PDF document text
    • https://pepodefaposuv.weebly.com/uploads/1/3/5/9/135992330/vuravajato.pdfIn PDF document text
    • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1620de29ff2c96---53793150505.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_off0000b9da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB9DA 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000d1ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1EC 17244 bytes
SHA-256: 65a29ec320f1c4b0044d9993aebe3c3340ca607083c5facc3c03fc54d96f4255
font_02_sfnt_off0000febf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEBF 10960 bytes
SHA-256: f41f87d6ff97cc244c759e8d7b624a980a0edd6ac104ecc3dd592d6c9f80a544

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