Malicious PDF — malware analysis report

Static analysis result for SHA-256 19198e91c9ec571c…

MALICIOUS

PDF

45.8 KB Created: 2020-11-08 10:13:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-22
MD5: 9c68f0560323fd63f7fe5baabf6408d2 SHA-1: f47675f92db098e0b73e5c88ba6a54198391af85 SHA-256: 19198e91c9ec571cfdfcb922ee287501eed37ef7f5ab58db6bdae7e8b9ec9af9
66 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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://trafffe.ru/wb?keyword=sentences%20examples%20with%20similes%20and%20metaphors PDF link annotation
    • https://riwisasivituw.weebly.com/uploads/1/3/1/0/131070703/9100683.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373749/normal_5f8b6d06438a7.pdfIn PDF document text
    • https://xaruxetadelu.weebly.com/uploads/1/3/4/4/134478950/69a6e8db.pdfIn PDF document text
    • https://rigitugatelimo.weebly.com/uploads/1/3/4/1/134131632/zijag.pdfIn PDF document text
    • https://garegijewavib.weebly.com/uploads/1/3/4/3/134389285/kuvigonax-wakobapew-kalunulumifib-kajevemepopubuk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465557/normal_5fa7239c6201f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369318/normal_5f880255887c2.pdfIn PDF document text
    • https://fimuxexepal.weebly.com/uploads/1/3/4/6/134615427/03b5c0cd7e361c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389101/normal_5f91189d108e0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/101171a3-5e9d-4ed9-a730-b55f5ae57d1f/casio_a178w_user_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b1665736-1880-4590-887f-ddc71d5467d2/3970159003.pdfIn PDF document text
    • https://noxedax.files.wordpress.com/2020/11/neet_biology_syllabus_2020.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4d254c53-8a07-4b68-b0d6-c60402a8c30a/nabusaxakofiduretiseviwel.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e2cec94-35ca-4112-be5f-d8c1ba8f775a/bugoduv.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_off000067a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67A3 5364 bytes
SHA-256: 89605918d26ac3be0e738722be93a484f3df25126355c6520851d69ae4fcc1dc
font_01_sfnt_off000079b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79B8 9996 bytes
SHA-256: 28a9fd49e31d943a0ccabdf370eb0a801931a6685e75956a5e3623fc26c81dd4
font_02_sfnt_off00009bd7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9BD7 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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