Malicious PDF — malware analysis report

Static analysis result for SHA-256 97020cd867f78a55…

MALICIOUS

PDF

41.3 KB Created: 2020-11-09 07:56:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23
MD5: 8d59a754535f853c15b789201be1d2c0 SHA-1: 568d427b119e3fa6c20044a8c64d8853bf0a3f16 SHA-256: 97020cd867f78a551d3c1eac31c711c72d5d55cb6b9f7f7149ea316e5821cc04
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/aws?keyword=protection+from+energy+communal+pathfinder PDF link annotation
    • https://xavoxoxuda.weebly.com/uploads/1/3/1/3/131379246/jojepudajalax.pdfIn PDF document text
    • https://lakupemeza.weebly.com/uploads/1/3/4/2/134235705/7535451.pdfIn PDF document text
    • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/9b6e7aadaa78.pdfIn PDF document text
    • https://foduxami.weebly.com/uploads/1/3/4/4/134452333/78cade0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371807/normal_5f9235af1ec5e.pdfIn PDF document text
    • https://ruwadegefanum.weebly.com/uploads/1/3/4/1/134108857/kirunenevasilezu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418368/normal_5f969172dbe2b.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/tetenifeme/kikumelen.pdfIn PDF document text
    • https://jugudiziva.files.wordpress.com/2020/11/50896117068.pdfIn PDF document text
    • https://s3.amazonaws.com/numegubowalonan/unblocked_call_of_duty_zombies.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3c7045d-4ec1-44f1-b4a8-8158bb3023eb/52898163495.pdfIn PDF document text
    • https://s3.amazonaws.com/zonebon/excel_vs_access_vs_sql.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dc7d83a9-e35b-4b0b-9215-b33f4bae1c1b/72227051318.pdfIn PDF document text
    • https://zudulobaf.files.wordpress.com/2020/11/1269499044.pdfIn PDF document text
    • https://s3.amazonaws.com/mijedusovineti/bibubizekirepup.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzumeb/97127225614.pdfIn PDF document text
    • https://nofagixonuva.files.wordpress.com/2020/11/76944399871.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_off000052f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x52F3 5376 bytes
SHA-256: af6cd643b7e728b1376cfcdc6470102d788d0d647b1a73aea84b4df6890a8e16
font_01_sfnt_off00006505.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6505 10864 bytes
SHA-256: 4d96e06f50bf43b60a506a287ead6f74ae44d5942c98bed8859a148f76cc4917
font_02_sfnt_off000089a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89A2 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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