Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ad3b80b83598993…

MALICIOUS

PDF

40.3 KB Created: 2020-11-06 18:30:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23
MD5: 35a8d30f4f0d0bec8f564bc2117d7bdb SHA-1: 2b05097c378d4fd29a8b50d32e824c317bff4f19 SHA-256: 6ad3b80b83598993134a6c96a6d8c705c87bb2cd3da24897d6e84ad2908fdad0
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://trafftec.ru/123?keyword=studio+c+worst+app+ever PDF link annotation
    • https://jedunifoxawixe.weebly.com/uploads/1/3/4/4/134458330/4455161.pdfIn PDF document text
    • https://lipowuripipu.weebly.com/uploads/1/3/1/3/131378852/sipatoxitodabu.pdfIn PDF document text
    • https://tivurenufetoza.weebly.com/uploads/1/3/4/2/134235987/cfcdc5dc000b.pdfIn PDF document text
    • https://jelujivaf.weebly.com/uploads/1/3/4/4/134480095/zuzexomejepal.pdfIn PDF document text
    • https://papokerudinex.weebly.com/uploads/1/3/4/3/134310480/6bfbccfc08640.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366359/normal_5f8d40a0ac02e.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://fizafadolozu.files.wordpress.com/2020/11/31713389540.pdfIn PDF document text
    • https://lodoxepal.files.wordpress.com/2020/11/vibinofa.pdfIn PDF document text
    • https://s3.amazonaws.com/sugosubexez/spellcasting_ability_5e_cleric.pdfIn PDF document text
    • https://s3.amazonaws.com/turip/68534345154.pdfIn PDF document text
    • https://s3.amazonaws.com/ragejufa/76927395016.pdfIn PDF document text
    • https://suvarofora.files.wordpress.com/2020/11/95519257918.pdfIn PDF document text
    • https://s3.amazonaws.com/zetare/jurukinakajojuwivides.pdfIn PDF document text
    • https://s3.amazonaws.com/bajuse/the_hunger_games_tribute_guide_free_download.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005fb9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FB9 5292 bytes
SHA-256: bb86bb838b88c2e3a2119f47458af580f6f76a7aadd3e2d0a885a2fbeb86565e
font_01_sfnt_off000071df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71DF 10136 bytes
SHA-256: df1bbb835b97e074c76e5d50b197ea6e89a43f8d96a9f9b3299e546f861a27e9

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