Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e384db4a7b75324…

MALICIOUS

PDF

37.0 KB Created: 2020-11-01 08:01:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1a0eea66cc33fa21ddc096c96390609d SHA-1: 9baacbbea73d890834ddf917e20190af0330196b SHA-256: 9e384db4a7b75324f36a6e254495de10a755816690c9d5595ccbe2160f7147be
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ggtraff.ru/aws?keyword=mcat+official+guide+questions+reddit'. The ML classifier also strongly indicated maliciousness. While no scripts were explicitly extracted, the embedded URL is the primary indicator of malicious intent, likely serving as a lure for further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • 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://ggtraff.ru/aws?keyword=mcat+official+guide+questions+reddit
    • https://sizukejagu.weebly.com/uploads/1/3/2/6/132681884/sidad-semibakoza-regevawi-xufub.pdf
    • https://rofuvawe.weebly.com/uploads/1/3/4/3/134363923/xisig.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/36f0368a-4b40-4f6d-8a40-e82bbe1bc39c/59062343361.pdf
    • https://s3.amazonaws.com/tetazino/clases_sociales_en_la_epoca_colonial.pdf
    • https://uploads.strikinglycdn.com/files/51a60e55-bede-4f93-9be3-ac99fbc9ee8e/kasivineludaja.pdf
    • https://s3.amazonaws.com/babetafaperaxov/list_of_adverbs_in_french.pdf
    • https://cdn.shopify.com/s/files/1/0505/0892/3080/files/mawokemokomozi.pdf
    • https://s3.amazonaws.com/henghuili-files/91172812513.pdf
    • https://s3.amazonaws.com/zerejibixupav/rscit_admission_form_2019.pdf
    • https://s3.amazonaws.com/fovezewi/jitasiwizazovanojuxon.pdf
    • https://s3.amazonaws.com/mijedusovineti/projeto_meio_ambiente_em.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000511c.bin
330bf2d3e78d3837bb5873a58b7f80ba23779a900e32d2dce72b05b1320dab2e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x511C 5320 bytes
font_01_sfnt_off00006346.bin
f4c020f63b82719219835a72412dea615bf0935d7bfa9ec03067896ebeea8e40		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6346 10444 bytes

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