Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc6706aa5bc1a0b6…

MALICIOUS

PDF

33.7 KB Created: 2020-06-03 12:41:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a2360a8057060f4950bf18741021628d SHA-1: 62227fc3c3ec63912c672832e5bc154c3b074631 SHA-256: fc6706aa5bc1a0b63e33497e77b7e1048367085ec0135bf48d027675c0bd672c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The ML_NYX_PDF_MALICIOUS heuristic also strongly indicates malicious intent. The embedded URLs suggest a link farm or SEO manipulation tactic, likely intended to redirect users to malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 3

  • 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
  • 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 http://xinli88wangshangyule.br3h.com/uploads/1/3/1/3/131379362/131379362.html#junjou+romantica+season+2
    • http://standbyvacuum.com/uploads/1/3/0/6/130620482/3328690.pdf
    • http://openin4.com/uploads/1/3/0/8/130874529/54e8e.pdf
    • http://photoboothchicagoland.com/uploads/1/3/0/2/130287238/f77c0c055ff277b.pdf
    • http://xinli88wangshangyule.br3h.com/uploads/1/3/1/3/131379362/terms.html
    • http://xinli88wangshangyule.br3h.com/uploads/1/3/1/3/131379362/dmca.html
    • http://xinli88wangshangyule.br3h.com/uploads/1/3/1/3/131379362/policy.html
    • https://kigedor.files.wordpress.com/2020/05/24718057921.pdf
    • https://gexefaduxoka.files.wordpress.com/2020/05/bojadapelulebasasamiwid.pdf
    • https://dutilexov.files.wordpress.com/2020/05/13537607061.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/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000598f.bin
7159e91e05d56c8719e8c383b03f1323812823f4fb26893089bb7e17d4cc1223		 pdf-font-stream PDF embedded font (sfnt) at offset 0x598F 10096 bytes

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