Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ad295f37c8b79a3…

MALICIOUS

PDF

36.4 KB Created: 2020-11-07 22:09:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-15
MD5: 259c3a8950fc1fe5531a26d5164eea56 SHA-1: 702098a1654ef7e18a5e7eb83ff7cff28e7594e0 SHA-256: 9ad295f37c8b79a3db7d6e2b9423290ccb98ada6498c59425c81aa01dbe905ce
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://traffset.ru/123?keyword=dashie+happy+wheels+102 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4369782/normal_5fa6c695d8ec7.pdfIn PDF document text
    • https://murenazomof.weebly.com/uploads/1/3/4/0/134012525/8b79c10c0d34.pdfIn PDF document text
    • https://tijabitosivu.weebly.com/uploads/1/3/4/3/134396728/72fbc8be9b81ef.pdfIn PDF document text
    • https://rulomegujenuguv.weebly.com/uploads/1/3/4/3/134329868/jitaniw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368952/normal_5fa10e977c1e2.pdfIn PDF document text
    • https://minibimegoviw.weebly.com/uploads/1/3/4/3/134333268/gapemapodoxotadala.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://s3.amazonaws.com/gonavo/nejawetizibafopuzik.pdfIn PDF document text
    • https://pupirod.files.wordpress.com/2020/11/sagob.pdfIn PDF document text
    • https://biwexileki.files.wordpress.com/2020/11/sonic_rom_hack.pdfIn PDF document text
    • https://fareseba.files.wordpress.com/2020/11/44840069822.pdfIn PDF document text
    • https://s3.amazonaws.com/gavexilatuvitaz/nikowukuludisik.pdfIn PDF document text
    • https://s3.amazonaws.com/jafujasiwetid/australian_federal_budget_2018-_19.pdfIn PDF document text
    • https://s3.amazonaws.com/voxipanovigepiv/cuaderno_de_investigacin_en_psicologa_social_uned.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_off0000454e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x454E 4820 bytes
SHA-256: dd109c72f05541262a9fc03c5d79d86abb7f1b7af8a0b6b1e2cb1495cf957c38
font_01_sfnt_off000055c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55C7 9848 bytes
SHA-256: c0dd79b97de558383099e83889721ee13cb07998b93ed63410e1af2694c808c1
font_02_sfnt_off0000772f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x772F 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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