Malicious PDF — malware analysis report

Static analysis result for SHA-256 e264ae47ab0f7f7c…

MALICIOUS

PDF

44.1 KB Created: 2020-10-03 13:41:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: ee558c74de3f3b093d87f23626dd0442 SHA-1: eb3a18b0e71584b0b573e4927589c9ff2b20809c SHA-256: e264ae47ab0f7f7cb213680c050ce71347fe383b6ad026d356436c4f9b470df0
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://ttraff.club/pify?keyword=scott+living+electric+fireplace+remote In PDF document text
    • https://site-1036751.mozfiles.com/files/1036751/favodib.pdfIn PDF document text
    • https://site-1037869.mozfiles.com/files/1037869/35305715426.pdfIn PDF document text
    • https://site-1038861.mozfiles.com/files/1038861/16967813868.pdfIn PDF document text
    • https://site-1037268.mozfiles.com/files/1037268/606251179.pdfIn PDF document text
    • https://site-1036907.mozfiles.com/files/1036907/melurutudurisuka.pdfIn PDF document text
    • https://site-1039404.mozfiles.com/files/1039404/rofiwut.pdfIn PDF document text
    • http://files.mrlibutti.com/uploads/1/3/1/8/131856427/lejamuluxutikum.pdfIn PDF document text
    • http://files.alluringwonders.com/uploads/1/3/2/6/132695455/9523623.pdfIn PDF document text
    • http://files.learningintheparks.com/uploads/1/3/0/8/130874030/6433328.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/c4c5bb84-663d-4a10-99c9-169a1433a08e/40193625183.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/914d799d-fb7d-4a71-9157-89154222676b/kobulubenoge.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8acbb744-23eb-4206-b726-390a1964350a/tibabojiruweb.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_off00006060.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6060 5108 bytes
SHA-256: 0221a6ba7968a3b088ef553037f1229ccd925d41fd1e56f80fbb198c57d555ed
font_01_sfnt_off000071a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71A4 10508 bytes
SHA-256: f059765985e367a9da1b0866a7b3c55b4e76356497a02e9d06a7042e84f6df7d
font_02_sfnt_off00009588.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9588 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378