Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ab576fda748c700…

MALICIOUS

PDF

35.1 KB Created: 2020-04-01 12:55:12 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: b83b8d7fe95b5b1aad2a03773a412cba SHA-1: 229d2b9b5e20614c69496e642eae37ba541bdda7 SHA-256: 9ab576fda748c700431be2e6636e57d0d4effff1fc26b6de1310b37138d69e29
92 Risk Score

Malware Insights

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

This PDF file contains a large number of external links, many of which point to other PDF files, suggesting a link farm or SEO abuse tactic. The document body contains references to 'Warhammer 40k kill team elites' and URLs that likely serve as lures to further malicious content. The ML classifier strongly indicated maliciousness, and the PDF structure with numerous external links aligns with common phishing and redirection techniques.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://inwardvision.com/uploads/1/3/1/0/131070627/131070627.html#warhammer+40k+kill+team+elites
    • http://courtneyweixel.com/uploads/1/3/0/6/130605373/b19d614a105952.pdf
    • http://welhealth.org/uploads/1/3/0/7/130775373/lopajasaw.pdf
    • http://msatpartners.com/uploads/1/3/1/0/131070424/xudugis-towufosanet.pdf
    • http://nrotcatlantamarines.org/uploads/1/3/1/4/131406036/nokuwifaxibadimixefe.pdf
    • http://acnibo.org/uploads/1/3/0/8/130815228/db8c136431c9.pdf
    • http://sfsecuritysolutions.com/uploads/1/3/0/6/130621451/budex_liramiven_savozigekawal.pdf
    • http://purposefuldestination.com/uploads/1/3/0/3/130323932/8724433.pdf
    • http://samfordfirstaid.net/uploads/1/3/0/8/130874210/5f6f733b7aba280.pdf
    • http://marineichlertour.com/uploads/1/3/0/7/130775176/8279381.pdf
    • http://buycbdnow.ca/uploads/1/3/0/9/130969511/716f1e63.pdf
    • http://gabrielabretonmft.com/uploads/1/3/0/3/130313252/zukurapiv.pdf
    • http://badlandsjerkynm.com/uploads/1/3/0/4/130488850/d951644.pdf
    • http://kgw.ca/uploads/1/3/0/9/130968920/paserelonuw_jaserukipumonuv_logevulibisiju.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_off000062fe.bin
0be5cbcf4c3c1b5cccf81cb5372c179b9160bd213d5b59682c13e55285981472		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62FE 7352 bytes

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