Malicious PDF — malware analysis report

Static analysis result for SHA-256 7936195b5d8404f6…

MALICIOUS

PDF

41.9 KB Created: 2020-10-05 02:29:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-15
MD5: 4d845f843c3260e92f82a3866b30c20f SHA-1: 031af24e618177a84a248c8f21b964c0c33c9737 SHA-256: 7936195b5d8404f6939a79f19cc5faa76c6024da0c0937d0f92ab9c4e29d817c
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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 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://ggtraff.ru/strik?keyword=dragonball+sound+effects In PDF document text
    • https://site-1039449.mozfiles.com/files/1039449/sezojimulediwogeziludut.pdfIn PDF document text
    • https://site-1043259.mozfiles.com/files/1043259/53556757918.pdfIn PDF document text
    • https://site-1038409.mozfiles.com/files/1038409/51454496026.pdfIn PDF document text
    • https://site-1041865.mozfiles.com/files/1041865/8160172594.pdfIn PDF document text
    • https://site-1037203.mozfiles.com/files/1037203/62703534649.pdfIn PDF document text
    • https://site-1036661.mozfiles.com/files/1036661/wexogazimoxaxuxikiguduvov.pdfIn PDF document text
    • https://site-1036742.mozfiles.com/files/1036742/71484919944.pdfIn PDF document text
    • https://site-1039149.mozfiles.com/files/1039149/96275549645.pdfIn PDF document text
    • https://site-1040143.mozfiles.com/files/1040143/12404902523.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/b27f7e2e-6181-4546-b51c-16cb94c8aa32/lisabeluzu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b6359d6d-64b8-4f20-89d8-6afff3a79c7c/68099303595.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004bed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BED 3852 bytes
SHA-256: 263b0795021df090a1580bb1bdff9f3d2ef22f162cc62ff4b656feae396b661f
font_01_sfnt_off00005841.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5841 5328 bytes
SHA-256: 9e0e81d70b5d921ea5844ff8d56f97dab415c33d212c7e6e199c4a65d609e905
font_02_sfnt_off00006a6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A6F 15056 bytes
SHA-256: 95c616d2bafff34fd80b37e2069f5115d59fc0f597ef817284cfc76f8bab760e