Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed366cb4d15866fe…

MALICIOUS

PDF

45.5 KB Created: 2020-09-30 15:02:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-07
MD5: 0ee3e5da38bce1a9ea738501d7db90cb SHA-1: 3ca37981749609aca4e8c5f8e6b04793ff2ece4c SHA-256: ed366cb4d15866fefd130fef3220a4aa11b097f80776f2d6170a9a5592ebf471
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=cable+gland+price+list+2018+pdf In PDF document text
    • http://files.norcalconcrete.com/uploads/1/3/0/7/130739474/keguva.pdfIn PDF document text
    • http://files.flatwoodsmuseum.com/uploads/1/3/0/8/130874160/b2357b01.pdfIn PDF document text
    • http://lomen.stlukescda.org/uploads/1/3/2/6/132683003/6234299.pdfIn PDF document text
    • http://files.johnknoxhouston.org/uploads/1/3/0/7/130740049/xuloko.pdfIn PDF document text
    • http://pabik.cherishwifelife.com/uploads/1/3/1/6/131606552/senejimapej-xusasulena-lininesuzowax-bolinafupenu.pdfIn PDF document text
    • http://files.swanriverdressage.com/uploads/1/3/1/3/131378953/83120b36.pdfIn PDF document text
    • http://files.jamesdouglasmultimedia.com/uploads/1/3/1/0/131070160/04ada9.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000072ef.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000072ef.bin)
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gumatuzonew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4599/4146/files/seson.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0062/6325/files/ritagazufuzuzuxixuxexebib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8961/6279/files/canada_food_guide_chocolate_milk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a39054c2-6eb7-4bcb-a8d3-d05d967a0789/31895105734.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b1899730-d09a-4d54-a427-239cc9cd23c7/famodo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1a8dafe0-66e6-4de0-8db0-62e215ce9766/19483719072.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ec382e21-71c7-4f82-b760-eb394962bb53/dowusizudebixo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6ba386a3-2f8b-473f-81dd-c5166218a616/45698517943.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 extracted file (font_00_sfnt_off000072ef.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000072ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72EF 5888 bytes
SHA-256: 44e3ab5d44198dc0645bbf708ab4104c88485864408a3fb508ddbbd1c63fa4cd
font_01_sfnt_off00008700.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8700 10036 bytes
SHA-256: 724c8dd23ea4f99d87fa134cc9d28ea23a631ac2a3ea9b64f29bdfc9e275c1e2

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