Malicious PDF — malware analysis report

Static analysis result for SHA-256 babb843f37d1dfe5…

MALICIOUS

PDF

36.8 KB Created: 2020-11-06 00:53:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-02-23
MD5: 0db850a3aece0addf8497c9ac1d543e9 SHA-1: 25bd05a7e011a38244d3901f9eccc2bdf8435f87 SHA-256: babb843f37d1dfe5aa66212e309618faee96ec4dec187f2cfed9148ac7b8cca4
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://trafffi.ru/123?keyword=lowes+stocks+today+to+buy PDF link annotation
    • https://lowisaxov.weebly.com/uploads/1/3/4/3/134361609/2a07b645c8f3.pdfIn PDF document text
    • https://pinukavuzufov.weebly.com/uploads/1/3/4/3/134307945/a04ce28bdc.pdfIn PDF document text
    • https://rokumetusemep.weebly.com/uploads/1/3/4/3/134382705/petezofipivorilukot.pdfIn PDF document text
    • https://tagarimoruta.weebly.com/uploads/1/3/4/3/134320697/5ff03622254c.pdfIn PDF document text
    • https://gixapogaruxa.weebly.com/uploads/1/3/4/3/134331356/noxenokivafevem_mujidij_fixuvozit_kagufesaweneba.pdfIn PDF document text
    • https://panidulupeju.weebly.com/uploads/1/3/0/9/130969186/jadurekofetuvedu.pdfIn PDF document text
    • https://degepuwenezeg.weebly.com/uploads/1/3/1/6/131607310/7636229.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422890/normal_5f9fad2ff15e9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374835/normal_5f97240d73e31.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://uploads.strikinglycdn.com/files/303f0aad-7479-4ffe-a801-929432575c05/mazazarawulagusimegisovur.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/44464d87-62af-431a-8e72-3b5d5db2a1c0/create_your_own_yandere_simulator_sk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2d2aa39c-ffa3-4d82-a89e-9073e75e440e/pinche_wey_no_manches_prynce_el_arma.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5eb4e943-fc77-4030-9c92-9869304591f3/sears_malibu_typewriter_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8c7f69d7-e9a2-4dbd-a57d-3c427e3f0833/jajadapamifuwotenixor.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/07106490-e6d6-4881-bf53-d48aa787c510/employee_spotlight_questions_funny.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_off00004679.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4679 4872 bytes
SHA-256: 69321f16639ea7fd0583854b966713a6e29f66877e474a68bf53059ce14dd047
font_01_sfnt_off00005730.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5730 9620 bytes
SHA-256: 38060f9fa13589173758414555132bcd61452a8bad86f245e6d034436c170e7b
font_02_sfnt_off00007816.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7816 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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