Malicious PDF — malware analysis report

Static analysis result for SHA-256 93ab8ec8f4421bf3…

MALICIOUS

PDF

47.5 KB Created: 2020-10-15 09:29:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: f3680141be2c5f45867b0a1db01a0dcc SHA-1: 605de5cc49e136c0f3a167be6b66234a447ea606 SHA-256: 93ab8ec8f4421bf37ed152a1a70fc81bf974b4bb7c381944fa0875ae2d07e1f3
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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 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/123?keyword=paralisis+del+nervio+trigemino+pdf In PDF document text
    • https://site-1038857.mozfiles.com/files/1038857/pusuzabi.pdfIn PDF document text
    • https://site-1039301.mozfiles.com/files/1039301/7840512393.pdfIn PDF document text
    • https://site-1036861.mozfiles.com/files/1036861/narur.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368788/normal_5f87d7c514728.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369182/normal_5f87a15bcf9b4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367279/normal_5f87389b28a48.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366623/normal_5f87cf28e51cf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368478/normal_5f87e472a1911.pdfIn PDF document text
    • https://site-1039535.mozfiles.com/files/1039535/zukevudafi.pdfIn PDF document text
    • https://site-1041090.mozfiles.com/files/1041090/6419650241.pdfIn PDF document text
    • https://site-1048522.mozfiles.com/files/1048522/84131709600.pdfIn PDF document text
    • https://site-1036759.mozfiles.com/files/1036759/52227999761.pdfIn PDF document text
    • https://site-1039171.mozfiles.com/files/1039171/diferobixalowe.pdfIn PDF document text
    • https://site-1038429.mozfiles.com/files/1038429/pavigazufewegufoberusata.pdfIn PDF document text
    • https://site-1039400.mozfiles.com/files/1039400/33774176120.pdfIn PDF document text
    • https://site-1042729.mozfiles.com/files/1042729/11350026276.pdfIn PDF document text
    • https://site-1044009.mozfiles.com/files/1044009/89840549571.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://cdn.shopify.com/s/files/1/0432/9383/5432/files/vanid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0481/7374/4277/files/belarusijekuxovibibikavev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5458/0391/files/tuleliguxudeniji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6600/7445/files/50743429210.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4efd709c-b97c-4a35-9777-2c7ac9b49d31/95097467066.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6684d9a5-141c-465a-b6fd-f46e62603fe4/50263881300.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006a27.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A27 5212 bytes
SHA-256: 1c2c222b71e913e44cfbe2d642313cf4fe36b51c48348e1b945eae3c6af1f68e
font_01_sfnt_off00007bce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BCE 11284 bytes
SHA-256: 0989e005ee5ac8c1091960b1712b40097ccea1131a8f370b3f438ae9a4eb48fc
font_02_sfnt_off0000a06c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA06C 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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