Malicious PDF — malware analysis report

Static analysis result for SHA-256 059f013e18236d63…

MALICIOUS

PDF

45.1 KB Created: 2020-11-06 09:28:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-02-23
MD5: 8561237f1b5bc4585b2e42afc6d4d654 SHA-1: 4dfc3cdbd0a112e1a0b3ccc147ec8e547898d595 SHA-256: 059f013e18236d632402e6e1b90a60fc598d3e1e58a96dcc2272c43ef25171ff
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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=sea+doo+owners+manual+download PDF link annotation
    • https://notapogixunimo.weebly.com/uploads/1/3/4/3/134363186/nawuzuwufeti.pdfIn PDF document text
    • https://besuxape.weebly.com/uploads/1/3/4/3/134374749/viroxupesilekexagag.pdfIn PDF document text
    • https://fuvunubeliratak.weebly.com/uploads/1/3/4/6/134610803/5f6568ce7f.pdfIn PDF document text
    • https://jujizifij.weebly.com/uploads/1/3/4/3/134309807/1169725.pdfIn PDF document text
    • https://fidevawane.weebly.com/uploads/1/3/0/8/130814252/6350326.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/2084211d-8792-47a6-8181-0e119a9be17d/7072691338.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f9780ff2-536a-4b7d-8af9-c8d7bd11e49a/86443819484.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/47459c92-449e-4018-8e16-0bb97cb46514/16782875246.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/7215/9391/files/tableau_your_data_companion_website.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7ffa525d-f12b-46da-80fc-b5f491046d87/32781456595.pdfIn PDF document text
    • https://s3.amazonaws.com/rupatojuko/parenting_stress_index_italiano.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1f9788db-1b87-4add-8b91-012bb54b5f1f/bosch_exxcel_8_manual_e18.pdfIn PDF document text
    • https://s3.amazonaws.com/zalomi/26443553415.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/39d24c9e-1c32-4493-84c5-14da5ecee7f2/nutafuvabek.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_off000063e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63E8 4920 bytes
SHA-256: 90d8e28575aa8b5976ecc3f937449a9dc23cbd12612c5e59a61617d90949aed3
font_01_sfnt_off00007483.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7483 10880 bytes
SHA-256: e6ec43bfa74366c97d683b6875187358141ea309c4fe077a469ace565fee1cc2
font_02_sfnt_off0000991f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x991F 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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