Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e080c9170e49315…

MALICIOUS

PDF

52.6 KB Created: 2020-09-30 06:56:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: c0d3ca6ff8b31ec6b88b6c121a545f46 SHA-1: aa68db099eb3ffbb5c424a223b3066155793e2f6 SHA-256: 6e080c9170e49315f87628c2f5369e2a46ce6e373975e1501dfc232803b91e2d
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://cctraff.ru/strik?keyword=emotional+quotient+inventory+pdf In PDF document text
    • https://site-1037113.mozfiles.com/files/1037113/gofedepiwiwigatozibi.pdfIn PDF document text
    • https://site-1037189.mozfiles.com/files/1037189/82127260978.pdfIn PDF document text
    • https://site-1037121.mozfiles.com/files/1037121/bejibiwabupeworagukadipu.pdfIn PDF document text
    • https://site-1036696.mozfiles.com/files/1036696/4133113175.pdfIn PDF document text
    • http://mewoxir.cynthiamade.com/uploads/1/3/1/3/131381481/ec4ae39.pdfIn PDF document text
    • http://files.hanyangmun.org/uploads/1/3/2/7/132740798/72802a6ebf.pdfIn PDF document text
    • http://files.totaltravelsystem.com/uploads/1/3/1/3/131383242/8103877.pdfIn PDF document text
    • http://files.citykidzmag.com/uploads/1/3/1/4/131453522/b3bef15785d.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/9acca9a5-9c41-404d-9aa0-bdebcaf44ddb/3511769348.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f681dd5-a412-4237-b154-782eca96767e/65970050.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/08e1f9ec-3423-481b-b320-820e6c8f636e/lasub.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0d777f3a-e8ed-4a3c-9c1c-b3a80a340197/tonulafinulekofa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9a52de8a-3b3d-43c8-8d8e-2ef681042cf0/tevakafemobizugugos.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b559cf5b-bd0f-4848-a4df-af6f178515e2/darojozefinatogijero.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/07e74b10-646a-4ceb-98de-80db2c8142cf/56018578407.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8ca9c3bd-f49f-4d8c-a867-01c4207537d6/15071577867.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_off00008fa9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FA9 5256 bytes
SHA-256: 440331ef7488bc782ccfef139e155e8428bb3ba5087d3b5b8db3c8baea42832b
font_01_sfnt_off0000a17f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA17F 10444 bytes
SHA-256: 8bdd8a0ea72a9236f61f3ed8867c9a9c3053de80480afffd42c8dd233c24fdf5

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