Malicious PDF — malware analysis report

Static analysis result for SHA-256 cdedcc1431716355…

MALICIOUS

PDF

49.4 KB Created: 2020-11-06 13:12:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31
MD5: d171109d8580efdad1d0710b012609ff SHA-1: 78a430dabc67ab7f4ee04cd6feae6bd8a84fad45 SHA-256: cdedcc14317163556bfda5198ffd584e496c0036e36477f8b066c4863d191171
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a website related to 'Naruto road to ninja watch online'. This URL is likely part of a phishing or scam campaign designed to trick users into visiting a malicious site. The presence of multiple external links, as indicated by the PDF_SEO_LINK_FARM heuristic, further supports this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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/aws?keyword=naruto+road+to+ninja+watch+online PDF link annotation
    • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/1867598.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370062/normal_5f898a112b824.pdfIn PDF document text
    • https://wizenifove.weebly.com/uploads/1/3/4/3/134308138/bda697c042bc52c.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/02773838-c078-48f9-8f5a-799b345a6d77/folexifutusinepokoniboji.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca2f21c8-c865-4f9e-af80-27efdea8bc88/77424954023.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/145f2ec7-613e-4941-b14f-7f0b37362b19/xetovaxatot.pdfIn PDF document text
    • https://s3.amazonaws.com/mexesazaxasa/boston_back_bay_station.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/38082d70-dbd2-407b-ad6d-a3515ad52f40/mar_de_lisboa.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_off0000833e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x833E 4988 bytes
SHA-256: d61e6fdc98d2fd5508244c7f0f39813709a1df99e00ad1462521eb9272bc12d3
font_01_sfnt_off00009444.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9444 10852 bytes
SHA-256: 4054eced4b49c9c41e348af042504762f080678f466224d84126f746b13aeea4

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