Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3fe7b4e8ca15b37…

MALICIOUS

PDF

67.9 KB Created: 2020-10-25 07:48:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-12-25
MD5: 6765aee93138837ce531854815bf6bbd SHA-1: 87df38048a557eca9923aa5cef9d4772dc780005 SHA-256: d3fe7b4e8ca15b370f3c43e9a2229f2bc20cb10f7e8d4f8e392141eb0b1b1d9c
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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 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.
  • 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=volleyball+rules+and+regulations+pdf+2020 In PDF document text
    • https://sokuvotaboraj.weebly.com/uploads/1/3/0/7/130776263/35967f688.pdfIn PDF document text
    • https://kivofijola.weebly.com/uploads/1/3/4/3/134309380/0e06739c2.pdfIn PDF document text
    • https://fopimakalegej.weebly.com/uploads/1/3/0/7/130738542/wofuzelos_fuvevalalorobol_gagituv_sukubabojuxaris.pdfIn PDF document text
    • https://jesasifewom.weebly.com/uploads/1/3/1/4/131453969/saxubaludebogadepamu.pdfIn PDF document text
    • https://mumixopid.weebly.com/uploads/1/3/1/8/131872042/wefefezok.pdfIn PDF document text
    • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/daxonoretet.pdfIn PDF document text
    • https://xibogunef.weebly.com/uploads/1/3/1/3/131398295/d779bec.pdfIn PDF document text
    • https://bizumoku.weebly.com/uploads/1/3/2/6/132681494/6631535.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/113ded66-0318-43c2-bdf8-e4c2a7ddacad/6276701228.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0a1d4439-2d43-4b58-921d-96845b84f359/tesis_antenas_fractales.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fd23b4dd-5a11-431e-aee5-5dd964337082/pepilowefasi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b5aed94c-50af-48fd-802a-430ffcca57e4/57621737840.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2f39c76b-0dee-44ae-aea6-1c1d5778fb96/satogiwowijusa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4191577c-74f7-4887-ba25-45b1c0a46bb8/sasujexapekamalaman.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7109ec46-ef3c-4cd6-bda9-6f9afd5ee532/92265891023.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/70d8c89c-a3ef-494e-afce-5e4860f91b5a/feletuminu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/491b6e02-4a82-4339-9463-ed776135ec08/kewelazo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c85beb18-8445-4491-a22b-e3ceab8bc4d2/25732982177.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/38a5e7d5-ed80-4dfa-b9f1-66c9507fece5/xolimaposafugifudene.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f00e996b-6ac0-4634-acfd-324b4b8832c2/amc_theaters_application.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_off0000c844.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC844 5692 bytes
SHA-256: cd021c2602a29a568cb69f0e523df8092229a5dec6532b7ec70b1c27f7aa619f
font_01_sfnt_off0000dbb9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBB9 11228 bytes
SHA-256: 4cc1e8910557a24a966a713564b98e02f1083c098d2c2c18c7ccb6774dc215f6

Open this report in the interactive analyzer, or submit your own file for analysis.