Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6a24a6df72ffc79…

MALICIOUS

PDF

39.3 KB Created: 2020-10-31 05:24:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 53629301018afbcf32406f0227beb012 SHA-1: a085435b4e46f9278a459e0e2d13f9e2c0bb42be SHA-256: e6a24a6df72ffc79e9884b42c4cef77ef2d5a2ee2ff9d6ce432c3a70a43bb14e
94 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ggtraff.ru/wb?keyword=treasury%20management%20meaning%20pdf'. The ML classifier also flagged this PDF with high confidence. Although no scripts were extracted, the embedded URL is the primary indicator of malicious intent, likely serving as a lure for further malicious activity.

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/wb?keyword=treasury%20management%20meaning%20pdf In PDF document text
    • https://wipomozexabezi.weebly.com/uploads/1/3/0/7/130776841/7716686.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370299/normal_5f91d71e823ca.pdfIn PDF document text
    • https://gojemafofapuvog.weebly.com/uploads/1/3/2/6/132681271/dupeni.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/tesasubawalozan/greatest_american_hero_cast.pdfIn PDF document text
    • https://s3.amazonaws.com/podawakumepewez/minecraft_mob_grinder_1.16.pdfIn PDF document text
    • https://s3.amazonaws.com/kavitokolezub/38602659593.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a247d273-d311-43d0-b4b4-22777254adc2/dexter_season_1_torrent.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/25f2030e-7797-4ffe-8496-2c6ff62ae41a/dafalexawesapilomup.pdfIn PDF document text
    • https://s3.amazonaws.com/pukiza/dubisorus.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b83332f6-f9f6-4a91-8667-63abc05ec054/viloberitasikevunezapefe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/12e35837-f6e6-42a9-bde8-e9417628f4d7/zelomote.pdfIn PDF document text
    • https://s3.amazonaws.com/mipeboro/denodajibesamazulepi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c1a5cf84-5bde-43e8-b7e9-20213dac5187/10419555402.pdfIn PDF document text
    • https://s3.amazonaws.com/posufij/19354562404.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_off00005c2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C2E 5380 bytes
SHA-256: 5016878ec40f5733c656fb3e7dbaa884476aa188064f9e2a43535794f5500aa9
font_01_sfnt_off00006e6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E6E 10084 bytes
SHA-256: 3aadeaba6319a4190612a9f694ed44d97b782896af9c19fb484dd5d66f8cbcca

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