Malicious PDF — malware analysis report

Static analysis result for SHA-256 478792f557a5ae70…

MALICIOUS

PDF

44.2 KB Created: 2020-10-11 12:32:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 9496e5bb59d08c0f6ff981c87037ac07 SHA-1: 34b3fab8c65729458c5d69722e568658d453529c SHA-256: 478792f557a5ae706c4a21fb37311a47bf4c5bb28579a1879918599887bbe37c
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://gettraff.ru/strik?keyword=la+cancion+verde+pdf In PDF document text
    • http://lineta.johntolley.com/uploads/1/3/0/7/130775404/batawigujafu-dedewex-sijogo-jupelabavodeb.pdfIn PDF document text
    • http://files.mswilliamsonline.com/uploads/1/3/1/4/131483420/8989244.pdfIn PDF document text
    • http://basumisu.crystalclearwindowcleanersuk.co.uk/uploads/1/3/2/6/132683001/91d3c071c568cbd.pdfIn PDF document text
    • http://files.owenbloomfield.com/uploads/1/3/1/3/131381540/357843.pdfIn PDF document text
    • http://jeval.naturesbountyfarm.com/uploads/1/3/1/4/131453176/3794047.pdfIn PDF document text
    • http://modinux.tristavickmajors.com/uploads/1/3/0/9/130969483/63965b.pdfIn PDF document text
    • http://files.amykennymakeup.com/uploads/1/3/0/8/130813453/6880409.pdfIn PDF document text
    • http://files.mtnsafety.co.uk/uploads/1/3/1/6/131637043/1878192.pdfIn PDF document text
    • http://sipen.wpbluebirdfestival.org/uploads/1/3/0/7/130775990/texefat_nosuzoze.pdfIn PDF document text
    • http://sasuw.soleilfb.com/uploads/1/3/1/6/131606620/puliri.pdfIn PDF document text
    • https://site-1036743.mozfiles.com/files/1036743/60579164081.pdfIn PDF document text
    • https://site-1043879.mozfiles.com/files/1043879/21679984699.pdfIn PDF document text
    • https://site-1043207.mozfiles.com/files/1043207/filuwalunubejedaj.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0481/4307/3447/files/34629742094.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_off00006857.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6857 4940 bytes
SHA-256: 7ecd75cf3346f0725c54d760b9224c36da6a00debc5e85893057bb96457d6871
font_01_sfnt_off00007939.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7939 13088 bytes
SHA-256: c996f3da071a3c5ed7759af1a74859d129968aa1e93e0f7c1e457a63a3e14ef3