Malicious PDF — malware analysis report

Static analysis result for SHA-256 78259117ef17eeb3…

MALICIOUS

PDF

75.5 KB Created: 2022-04-10 21:40:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 88f5fa92b0b53ca4b5e41d5e3b75321e SHA-1: a43e9be08ec0763d34f3958133301a9765fab8ad SHA-256: 78259117ef17eeb3c63438f47c4c40ecfa0bc5a38d82981b4363dfb385ada3b2
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 7

  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://lovig.co.za/YmrXLWy8?keyword=codex%20hammer%20online PDF link annotation
    • https://zoxuxidez.weebly.com/uploads/1/3/0/7/130775284/5374456.pdfIn PDF document text
    • http://specel.kz/app/webroot/js/kcfinder/upload/files/79715643387.pdfIn PDF document text
    • https://japekubejur.weebly.com/uploads/1/3/0/7/130775222/kelate.pdfIn PDF document text
    • https://tsolisp.com/files/file/febegumajipiwe.pdfIn PDF document text
    • https://mozodomuwenuz.weebly.com/uploads/1/3/4/3/134341242/sigatej-fedilibul-remowaz.pdfIn PDF document text
    • https://lisijinawap.weebly.com/uploads/1/3/4/7/134740049/f50e3.pdfIn PDF document text
    • https://poxanopa.weebly.com/uploads/1/3/4/3/134380657/xevivazuxoveg.pdfIn PDF document text
    • https://nacituran.com/userfiles/file/13596593943.pdfIn PDF document text
    • https://takesefitetipal.weebly.com/uploads/1/3/2/6/132682925/xugubewi.pdfIn PDF document text
    • https://ramujodavuratot.weebly.com/uploads/1/3/4/6/134667495/buzebunaxuzejobej.pdfIn PDF document text
    • https://duvonejubuzal.weebly.com/uploads/1/3/4/3/134321315/futasojabosom_nokago_remirox_polumimejif.pdfIn PDF document text
    • https://tovozilulu.weebly.com/uploads/1/3/0/8/130873983/7506952.pdfIn PDF document text
    • http://www.cbt-trans.eu/upload/files/70228497872.pdfIn PDF document text
    • https://tomoderupa.weebly.com/uploads/1/3/4/0/134042314/8260485.pdfIn PDF document text
    • https://jeputuzomum.weebly.com/uploads/1/3/1/3/131398597/7563206.pdfIn PDF document text
    • http://www.asbea.org.br/assets/plugins/kcfinder/upload/files/pibam.pdfIn PDF document text
    • https://wovukevaz.weebly.com/uploads/1/3/4/5/134523328/kixume.pdfIn PDF document text
    • https://xezixopizanew.weebly.com/uploads/1/3/5/3/135314636/palej.pdfIn PDF document text
    • https://biwewijusegi.weebly.com/uploads/1/3/4/5/134586848/38e044600ce3c9.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_off0000c04f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC04F 17956 bytes
SHA-256: c0ab125e79930f0068939c470e42c59cb6f6c6bb55821f8f1458d7552175c485
font_01_sfnt_off0000efac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFAC 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000107c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x107C3 10380 bytes
SHA-256: 6c6d473e06ced7c3aabee18e81511f212bd273f4e88b9583ab5c7d0da69f5302

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