Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f05b5d350c7217c…

MALICIOUS

PDF

34.9 KB Created: 2020-06-01 07:13:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 961312c9367f508d65a618c353006072 SHA-1: 56bca483bd117711adad02c8b342133f3a1e170d SHA-256: 9f05b5d350c7217c6fc9369b3c8d1dca904f0a456fc334a4ff44415b9c81522f
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a technique often used for SEO manipulation or to distribute malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, indicating a likely attempt to drive traffic to other sites. The document body contains a URL that appears to be a lure for 'star wars download', further suggesting a deceptive intent.

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://webmail.chaoticexpressions.com/uploads/1/3/0/4/130488970/130488970.html#team+negative+1+star+wars+download
    • http://sarajo.de/uploads/1/3/0/6/130603895/pajumipawarumulafedo.pdf
    • http://graceandgigglesboutique.com/uploads/1/3/0/3/130313603/gugekiz.pdf
    • http://israelandeuropetours.org/uploads/1/3/0/7/130775372/83e581.pdf
    • http://solengenharia.net/uploads/1/3/0/6/130620800/69c63175ab1.pdf
    • http://vasilisa.work/uploads/1/3/0/5/130590561/luzatonuninuro-jedulaluzulife-bemokebulug.pdf
    • http://northweststeamart-uk.com/uploads/1/3/0/5/130551335/d446d006.pdf
    • http://mail.acrofest.eu/uploads/1/3/0/6/130620640/6371e0f07f6c73b.pdf
    • http://belgianundergroundbrewing.com/uploads/1/3/0/6/130603965/4692842.pdf
    • https://najubul.files.wordpress.com/2020/05/sipemamoposal.pdf
    • https://kututewopox.files.wordpress.com/2020/05/kirisijaxi.pdf
    • https://timowasufu57836677.files.wordpress.com/2020/05/54454627967.pdf
    • https://woxonoxemu.files.wordpress.com/2020/05/99942700985.pdf
    • https://simogotagewi.files.wordpress.com/2020/05/pojefo.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_off00005b15.bin
4d300a2807e1eb5e55850cb1bdbd6eb7888da9918f2d1ebc71a8fee621683a0a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B15 10904 bytes

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