Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb59b33b76c72aa1…

MALICIOUS

PDF

52.0 KB Created: 2020-11-08 01:54:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23
MD5: 7571e589a493189d1f42d1ccbd65d877 SHA-1: 8fa084cf9531abbbd0bf8e0dc730cf912b1a3126 SHA-256: bb59b33b76c72aa145e29762a5b060b874c2fdb63b6a6189fb16af123ff38f0e
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=panasonic+dmp+bd65+manual PDF link annotation
    • https://jubezotezuwu.weebly.com/uploads/1/3/4/4/134476040/1075c0e99c11.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402481/normal_5f9108d152ef6.pdfIn PDF document text
    • https://xeravatiwawu.weebly.com/uploads/1/3/4/6/134603636/pikexipasosixup.pdfIn PDF document text
    • https://wumudirega.weebly.com/uploads/1/3/4/5/134515906/b89e2bfbc9dd7f.pdfIn PDF document text
    • https://xesapidad.weebly.com/uploads/1/3/4/3/134346602/3fb9e.pdfIn PDF document text
    • https://gakuzelidojipo.weebly.com/uploads/1/3/4/3/134395763/rikizanutebe.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/b5c1bac3-3bec-4c83-bb7e-c12f4a7a38b6/73029078604.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/662f045f-69bb-461c-aefe-27615671a152/setina_installation_instructions.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d76525e-03ed-442f-9ad8-79fa20f9bda6/dogiregonan.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/27693197-4a38-469f-8afc-cc10130a7cde/pulofazevok.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/09d826dc-b0d7-4d8b-ab65-d71dce3127eb/jejorugizabo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b14afdb7-286d-4f97-ba29-127642ecc79d/instant_knockout_reviews_bodybuilding.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bb0e3341-6209-43d6-a783-739fe585c5bc/dipper_s_guide_to_the_unexplainable.pdfIn PDF document text
    • https://s3.amazonaws.com/dukexajuj/67214949268.pdfIn PDF document text
    • https://s3.amazonaws.com/gitipelut/tazoxabuxewamopodojid.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000069df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69DF 3224 bytes
SHA-256: 3f77a00470ee8de84877a19dbcfcf0f78fdc0aea5fb4674cc5ea5b2911cbf5d7
font_01_sfnt_off0000753f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x753F 5544 bytes
SHA-256: 3973c7d7ae8a4e4e7955669e24a01e65d43357a7cdd68373845733904699c964
font_02_sfnt_off00008801.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8801 10980 bytes
SHA-256: 67511a9aeaa98faffb75063fca4ea3b72c3a3578b40fd793f5f383d993849c2a
font_03_sfnt_off0000acd3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xACD3 16348 bytes
SHA-256: c7cfc138ee9fd9369b8b16460bde0d5057fa814c881a6723e1206d4699793506

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