Malicious PDF — malware analysis report

Static analysis result for SHA-256 a3ad62ac4b272d7f…

MALICIOUS

PDF

64.6 KB Created: 2020-11-08 15:47:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23
MD5: 57e0d110c822ad15341434d751faf78b SHA-1: 4e70f13e3917edbf3011e802ad6e8093331392bd SHA-256: a3ad62ac4b272d7f3b0f311e6626f25ccdb3319b85d02d752728595458addc23
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://traffmen.ru/aws?keyword=swtor+bounty+hunter+armor+guide In PDF document text
    • https://mexugagerow.weebly.com/uploads/1/3/4/4/134482965/4742528.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369318/normal_5f8be1f2ea0fa.pdfIn PDF document text
    • https://fosogaji.weebly.com/uploads/1/3/1/4/131455903/bazakaloxid-zezajilidedov-nubozuzakerogu.pdfIn PDF document text
    • https://dufevirefat.weebly.com/uploads/1/3/1/4/131438490/nuxuvevuvavabap-migad-wugefek-sizob.pdfIn PDF document text
    • https://togitarusufojir.weebly.com/uploads/1/3/2/6/132681229/3262999.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420028/normal_5f9ebd3a3bad3.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/6d0acbcb-1de4-4cf6-b48c-d7b0d89a0c44/araba_iten_srme.pdfIn PDF document text
    • https://s3.amazonaws.com/tetazino/62071131666.pdfIn PDF document text
    • https://fareseba.files.wordpress.com/2020/11/44840069822.pdfIn PDF document text
    • https://wobonil.files.wordpress.com/2020/11/49373511029.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fce85ceb-e741-424c-bd3d-681f3aeac98d/78353585860.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b3cbe1d0-8ee0-42c0-ab3f-9d26c4ebb461/contrapuntal_imperfect_authentic_cadence.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_off0000af6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAF6E 5348 bytes
SHA-256: 63043ba637220a94c21427bc694f64a923b2fb0b0da32f6128963ab69de51566
font_01_sfnt_off0000c177.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC177 11204 bytes
SHA-256: 2d6bb1bb97c6ad4f7513e3c8f563b30e0031c5f6ce106b7c5491c2838aa18b44
font_02_sfnt_off0000e730.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE730 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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