Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ad1b170fa60a7d1…

MALICIOUS

PDF

35.1 KB Created: 2020-11-09 10:45:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23
MD5: 0a23f252be1ffd39901f90917fb341c9 SHA-1: a9fb221f2939e3841138baf5c1ec9e958d234b9f SHA-256: 9ad1b170fa60a7d1b1f87c76822ad25b29344c0d70bb1e6954096a526c546577
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/aws?keyword=sao+season+2+english+dub PDF link annotation
    • https://jitojadafolad.weebly.com/uploads/1/3/4/4/134404030/9626732dbf9599e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421214/normal_5fa083e114f16.pdfIn PDF document text
    • https://gejatovuri.weebly.com/uploads/1/3/1/4/131406669/wodajomabif.pdfIn PDF document text
    • https://sakukavazu.weebly.com/uploads/1/3/1/3/131379729/2832466.pdfIn PDF document text
    • https://nibafowezibinax.weebly.com/uploads/1/3/4/3/134319588/belikeluxodiji.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365638/normal_5f871c10a40d9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418565/normal_5f95f18f4d758.pdfIn PDF document text
    • https://xabomipa.weebly.com/uploads/1/3/4/4/134484571/512a8c7b.pdfIn PDF document text
    • https://xogexemufak.weebly.com/uploads/1/3/1/4/131437987/balatipolimol.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368466/normal_5f8a189fc5a4b.pdfIn PDF document text
    • https://sopulekazixov.weebly.com/uploads/1/3/0/7/130776801/gagifidosedosef.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409607/normal_5f9d0bb09c3d6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367004/normal_5fa06b6c1ed8f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004cb4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CB4 5368 bytes
SHA-256: c847bbb7f0ebd237b19f3a72dcd59b845dc60f0469d147776be8a9fa057c1ee4
font_01_sfnt_off00005ee7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EE7 9652 bytes
SHA-256: 207a2cfb7ac8ebe2c5c836e4294e66c4df79a682f24bfb62d70a49b7393cb4cc