Malicious PDF — malware analysis report

Static analysis result for SHA-256 a447864fcbac1607…

MALICIOUS

PDF

72.3 KB Created: 2021-02-27 01:15:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 02597c2a39222a512b3805d846cee7c3 SHA-1: 015438deba1d1b99b71786972eba7a5e817a0dd7 SHA-256: a447864fcbac1607a8a4b79b1aa355ad56b87b0a3b6b879724d390595c232070
66 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://lozipotod.ru/award?keyword=ottlite+floor+lamp+repair PDF link annotation
    • https://posajegodat.weebly.com/uploads/1/3/4/4/134477503/7088838.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4500904/normal_601a49af87607.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410952/normal_5fe6789cc2b5d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449622/normal_5ff1e576d00bc.pdfIn PDF document text
    • https://cdn.sqhk.co/xarozowuzosa/JqeUjhc/black_panther_comic_book_series.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367310/normal_60276a11e43d4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4487918/normal_5fe292951cd20.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4530868/normal_5fe5b4e6125ee.pdfIn PDF document text
    • http://rakibanujixarep.iblogger.org/the_vampire_diaries_complete_series_books.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://najubizep.epizy.com/57160331495.pdfIn PDF document text
    • http://zarirebotiz.rf.gd/business_name_registration_form.pdfIn PDF document text
    • http://nanamiw.epizy.com/red_led_christmas_lights_white_cord.pdfIn PDF document text
    • http://gerosopidazab.rf.gd/dogoruru.pdfIn PDF document text
    • http://mupevisad.epizy.com/labidobomuvomavixe.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000de4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE4C 4896 bytes
SHA-256: f2374bc586b954340e8a0dae66a18b8a21b5b09278fd616e8393f0d2923e04cc
font_01_sfnt_off0000eedf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEDF 10628 bytes
SHA-256: 6957d1bf60e3d93e763673d1a1d4c8a210f4e52c36c5135861815ca14fb282df