Malicious PDF — malware analysis report

Static analysis result for SHA-256 d8d2d03f3b60ee5e…

MALICIOUS

PDF

43.1 KB Created: 2020-11-09 08:35:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31
MD5: b3c2340afc909abc4fb06b0f35f9aec3 SHA-1: 19b6be4ee72f8542b910e3af5ef62d34d3dca43d SHA-256: d8d2d03f3b60ee5e1fc873af15366ae5bb6800b56576600d3c53980fb7c078f9
96 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified as a link farm, with the primary URL being https://trafffi.ru/123?keyword=heroic+sith+raid+phase+1+teams. This suggests the document's purpose is to direct users to a network of websites, potentially for SEO manipulation or to serve as a distribution point for further malicious content. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://trafffi.ru/123?keyword=heroic+sith+raid+phase+1+teams PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4369505/normal_5f8ed23ec72d0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370304/normal_5f8b30b87fd42.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402951/normal_5f999d8777574.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367951/normal_5f875565c9542.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369920/normal_5f9853dd5c2c6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368492/normal_5f88d87e622d1.pdfIn PDF document text
    • https://nulixedupalaz.weebly.com/uploads/1/3/0/7/130739510/8ca522c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422371/normal_5fa04711a998b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403805/normal_5fa8a344838c0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366339/normal_5f8760b08d90d.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/735a69fb-967b-40ba-a19f-12dd721b784a/18720433455.pdfIn PDF document text
    • https://delogifelet.files.wordpress.com/2020/11/xivopadepufafiwetedomaxet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6166c3fa-e5db-4426-a167-51d60ecc9532/dragon_city_hack_tool_no_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f576ccef-a9f4-4971-ac64-aa908a312fe6/38579363477.pdfIn PDF document text
    • https://duwijuvi.files.wordpress.com/2020/11/simple_stories_for_esl_beginners.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b541e8e6-7af3-439b-9c41-291659f71f6f/51387770309.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7ee72c3f-0923-4ea3-94ea-f0ac68808862/tiferelit.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_off00006702.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6702 5292 bytes
SHA-256: 30437c896849a924295b870135382e0f70cb37282f7dd539d55e4f4aa25cf3c6
font_01_sfnt_off000078da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78DA 11380 bytes
SHA-256: b1825d2416067bb2645302d01524d221d3ab65a6aa4f26af61e7c7fbd952414a

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