Malicious PDF — malware analysis report

Static analysis result for SHA-256 941f0d1e10cbda52…

MALICIOUS

PDF

53.9 KB Created: 2020-10-26 07:26:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-12
MD5: 4c7d4258cdb0fded36e80f41c8df6c17 SHA-1: 9be57f7824eba2d5c11c0003ed8460523ead0b62 SHA-256: 941f0d1e10cbda52b6289e5ad0770041a73faec4098b2b754ad8254f836e1872
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://ttraff.link/123?keyword=tales+of+wind+mod+apk+2.0.9 In PDF document text
    • https://kokexofagisukop.weebly.com/uploads/1/3/2/7/132710589/dozusawofip_gadekinukekiwop.pdfIn PDF document text
    • https://rosikotukixaru.weebly.com/uploads/1/3/4/3/134312973/b6964.pdfIn PDF document text
    • https://jonipafatanepa.weebly.com/uploads/1/3/2/7/132741476/7822071.pdfIn PDF document text
    • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/4102594.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365575/normal_5f8cfafb2444f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383449/normal_5f8d2ec68cb82.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392664/normal_5f91e0b030984.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369659/normal_5f959d900aa1e.pdfIn PDF document text
    • https://jeburetuzof.weebly.com/uploads/1/3/4/3/134306955/18f3ee8b4c1fa.pdfIn PDF document text
    • https://bajusumuke.weebly.com/uploads/1/3/2/7/132741128/1376160.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/1/0428/7817/3343/files/deep_metazoan_phylogeny.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/8320/5281/files/delaware_river_tides_nj.pdfIn PDF document text
    • https://s3.amazonaws.com/wiwamoxamo/tikivumedunuxuka.pdfIn PDF document text
    • https://s3.amazonaws.com/gupuso/danezose.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0488/9821/1999/files/nevada_state_parks_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0487/9227/3061/files/como_converter_de_para_word_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/3170/8072/files/98943530938.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_off000064ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64AB 15148 bytes
SHA-256: b0d359a224f2c1288a0c5c241596a290be7ef5faedde144138212fb5517f428f
font_01_sfnt_off0000927c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x927C 5656 bytes
SHA-256: 64739a160072320be9e17f98c72dd64f0f4f526d85d5f71fb7f1a5a9fc952cb7
font_02_sfnt_off0000a5c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA5C5 10712 bytes
SHA-256: 01916176aff238fba0cd4be26132f0a64c4fb8d062040ea1da95ca0e2c3c7cd1

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