Malicious PDF — malware analysis report

Static analysis result for SHA-256 5827eda4308837af…

MALICIOUS

PDF

57.6 KB Created: 2020-11-09 12:14:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2022-06-20
MD5: f28563b4202a014188cd76c16f90a7e3 SHA-1: cf48dda46971fb8413aeee8d4fcf46d90a25ffbf SHA-256: 5827eda4308837af6ba2462263b954a432ab5059e245eef341e086b124293349
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=hidden+city+cheats+for+windows PDF link annotation
    • https://vujuzujotug.weebly.com/uploads/1/3/4/4/134478410/6826643.pdfIn PDF document text
    • https://pigogokeda.weebly.com/uploads/1/3/1/8/131857695/2c5e263e815.pdfIn PDF document text
    • https://puzaloraren.weebly.com/uploads/1/3/4/5/134510283/bemixege.pdfIn PDF document text
    • https://rinuvigilositu.weebly.com/uploads/1/3/4/4/134463450/8e2b7c3c6b.pdfIn PDF document text
    • https://gomemetunugup.weebly.com/uploads/1/3/2/7/132712315/5463055.pdfIn PDF document text
    • https://nowigusoludi.weebly.com/uploads/1/3/4/2/134266380/winoleza.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375700/normal_5f89e375c6a51.pdfIn PDF document text
    • https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/sekare.pdfIn PDF document text
    • https://taferirufip.weebly.com/uploads/1/3/4/5/134582969/junapisutisalanafufi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382189/normal_5f8cc4e2d4f1c.pdfIn PDF document text
    • https://gewusepisegetu.weebly.com/uploads/1/3/4/4/134492884/5926497.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/1c5b7c60-fe14-440a-8cb9-e571c9970136/gta_san_andreas_download_for_laptop_apk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/eb84ea99-7493-4e9f-af72-becf4d5a188e/safety_first_guide_65_car_seat.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000842d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x842D 5232 bytes
SHA-256: 045d479665892f24c87e287810cfbf68a5fadab6e2e31acadc3947dc41f86543
font_01_sfnt_off0000960c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x960C 13004 bytes
SHA-256: b50ae41431a62434c5e40d748139426f39fb3b8f28f67410cf635eafc86c0743
font_02_sfnt_off0000c2fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC2FA 16060 bytes
SHA-256: df1d2c903cabdf2976887e260da0b25217edeb5ce2b71f315001024534e8e210

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