Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ed9613dca132c8b…

MALICIOUS

PDF

41.5 KB Created: 2020-11-07 21:02:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23
MD5: 6fd113735443aa7b8b4fe4da6a4c94f9 SHA-1: ee5b02c384492249745033d77be2ed1b724a33a1 SHA-256: 5ed9613dca132c8bdea6141e3f8efe719c323081d754b256830f8c1228a7ab46
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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://trafftec.ru/aws?keyword=8+cube+organizer+canada PDF link annotation
    • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/1000608.pdfIn PDF document text
    • https://munujagafunudo.weebly.com/uploads/1/3/0/8/130873736/7299529.pdfIn PDF document text
    • https://logekififej.weebly.com/uploads/1/3/4/5/134502341/255a4.pdfIn PDF document text
    • https://dufevirefat.weebly.com/uploads/1/3/1/4/131438490/mewadodi.pdfIn PDF document text
    • https://zovodexipelozas.weebly.com/uploads/1/3/4/4/134401167/fapefigigej_dumon.pdfIn PDF document text
    • https://vajuwapokovis.weebly.com/uploads/1/3/4/3/134361820/namadufapewemosuji.pdfIn PDF document text
    • https://vunisanelebori.weebly.com/uploads/1/3/3/9/133999195/bevatebisoxos.pdfIn PDF document text
    • https://junoxavod.weebly.com/uploads/1/3/1/3/131384771/37ce53703.pdfIn PDF document text
    • https://baletepo.weebly.com/uploads/1/3/0/7/130776023/2135095.pdfIn PDF document text
    • https://ratigejav.weebly.com/uploads/1/3/4/5/134576845/jewukinavubowiraful.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377674/normal_5fa45b749cc96.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://sefopajupe.files.wordpress.com/2020/11/96537163952.pdfIn PDF document text
    • https://s3.amazonaws.com/zuxadol/53606185724.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006407.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6407 5184 bytes
SHA-256: 77ca72482ff74c9f16e6ab7ec4953a307aa631f9afbd77a085c61503a30d02dc
font_01_sfnt_off000075b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75B6 10540 bytes
SHA-256: 4f6e50f9469355387901ca2ee102353dd8fdd85dee0e8813be15c1ea5cabdac0

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