Malicious PDF — malware analysis report

Static analysis result for SHA-256 79338445a9c4babb…

MALICIOUS

PDF

78.5 KB Created: 2022-04-11 20:56:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: a88311dd5ea58504f25c309c00dcbaa5 SHA-1: 2301840f186637ca400220cbe50033e11143d7a9 SHA-256: 79338445a9c4babb984dafba2f966b3bc3ca7a61ab51d5178b4fdfca407753d4
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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=how%20to%20connect%20roomba%20to%20wifi%205ghz PDF link annotation
    • https://bokozimub.weebly.com/uploads/1/3/5/3/135326123/5491037.pdfIn PDF document text
    • https://tisowatotaf.weebly.com/uploads/1/3/4/6/134660149/2778662.pdfIn PDF document text
    • http://stainless-faucet.com/uploads/htmlupload/files/pawotifewuxuzomo.pdfIn PDF document text
    • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/dc50066f5c1f8f627069d008196570b6/dumotomapojiwurokitonoga.pdfIn PDF document text
    • http://el-master.ru/userfiles/file/zuluvuvi.pdfIn PDF document text
    • https://videjowogifasol.weebly.com/uploads/1/4/1/2/141218140/suxewa.pdfIn PDF document text
    • https://finazevad.weebly.com/uploads/1/3/0/7/130739247/1e06fc70.pdfIn PDF document text
    • https://gafepodaxo.weebly.com/uploads/1/3/4/6/134606739/jagogipepi.pdfIn PDF document text
    • https://felanixumuxovex.weebly.com/uploads/1/3/4/7/134705369/719c0a638.pdfIn PDF document text
    • https://gaxasonazeg.weebly.com/uploads/1/3/4/3/134375181/4971155.pdfIn PDF document text
    • https://leniwexobopusez.weebly.com/uploads/1/3/4/7/134713406/xinolinu.pdfIn PDF document text
    • http://hanstime.com/userData/board/file/13514155026.pdfIn PDF document text
    • http://btfa.tw/upload/files/bixakubezaxagunoroxe.pdfIn PDF document text
    • https://wilumixomili.weebly.com/uploads/1/3/1/4/131483065/kokawakegevibadaj.pdfIn PDF document text
    • http://akinmedikal.com/uploads/file/47616983663.pdfIn PDF document text
    • http://myhomeinparis.com/userfiles/files/13914745155.pdfIn PDF document text
    • https://tomedadozalo.weebly.com/uploads/1/3/5/3/135394200/mapemojazet.pdfIn PDF document text
    • http://universalestetic.com/userfiles/file/tipepaxubafevivumibul.pdfIn PDF document text
    • https://fodirimuf.weebly.com/uploads/1/3/4/6/134621751/nafilikirularil.pdfIn PDF document text
    • http://brothersconsultingllc.com/kcfinder/upload/files/tutewofurexepamexutikokix.pdfIn PDF document text
    • http://s2group.pl/userfiles/file/62503137600.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_off0000ce8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE8F 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e6a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6A1 17024 bytes
SHA-256: 6beb5e8a229b59a4e84095a8014ce0a976781a32799bd71e06fd3a7b614514f3
font_02_sfnt_off00011349.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11349 10980 bytes
SHA-256: f55e89ce6c675bcca5a4f4c923b7dc86e6056a0e98b21c1d466d02d4fe16d9b7

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