Malicious PDF — malware analysis report

Static analysis result for SHA-256 98dfdac9afa316e7…

MALICIOUS

PDF

43.7 KB Created: 2020-10-03 17:46:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: 4efad7a84a3ed7e3970cd013f3b12fc9 SHA-1: eff983ed7b47d6e93cedcbec4df260535318c778 SHA-256: 98dfdac9afa316e772cddb8c852c843e61d330726a3fd7f19eece89b1a09b96f
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=web+design+templates+pdf In PDF document text
    • http://wevedajuf.thectejournal.com/uploads/1/3/1/6/131636832/kudanirudewaz.pdfIn PDF document text
    • http://files.artlounge1.com/uploads/1/3/1/3/131398515/9b307cfc195cce.pdfIn PDF document text
    • http://doliteru.technologymi.com/uploads/1/3/1/4/131437914/sojevetonozurav.pdfIn PDF document text
    • http://files.missionviejoclassic.com/uploads/1/3/1/4/131453541/d43cd1da.pdfIn PDF document text
    • http://bafaw.watersaltbohojewellery.com/uploads/1/3/1/8/131857284/985582.pdfIn PDF document text
    • http://dujafata.guqintables.com/uploads/1/3/0/8/130874565/viguwok_wavisup.pdfIn PDF document text
    • http://porepas.mestizostacos.com/uploads/1/3/1/1/131163635/c4ea44019532020.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/46bda6fc-8452-486b-a248-1a86fd7c655c/vitokuwojikebopobeja.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d5cab4e0-702a-4b91-87cd-773c1f418f09/51111767890.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0ea7713a-b0be-4b26-9376-51b997b1f519/79783696890.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/636bf189-93c1-4bf4-87db-aacd944498ea/89792240294.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2841/3607/files/guxikebamalegesup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/1534/2750/files/a_more_perfect_union_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3840/7832/files/34964801307.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

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_off00006b47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B47 5416 bytes
SHA-256: e469548a9df32e29199b32d3502eae2b507f0217bb1cc0e9439f7db8630b7cd7
font_01_sfnt_off00007db2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DB2 10640 bytes
SHA-256: 86c25bb17d1d987130f51ecb88555b254a9263767764dfa96b207efc365550f2

Open this report in the interactive analyzer, or submit your own file for analysis.