Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e3c59b357b5ec4e…

MALICIOUS

PDF

56.2 KB Created: 2020-06-10 05:20:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ea623ec2496407964c356a94cf2a54c SHA-1: 6b96b87bf75757b81b58b426dd129fffe9fddc92 SHA-256: 9e3c59b357b5ec4e2ad8d740f55047227007a203da516470ff38c1fa389d866f
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The primary URL points to a page with Vietnamese text, suggesting a lure. The embedded URLs are likely part of a link farm designed to manipulate search engine results or redirect users to malicious sites. No scripts were extracted, limiting the analysis of direct payload execution.

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://fruity-juices.com/uploads/1/3/0/5/130588382/130588382.html#ti%25E1%25BB%2583u+s%25E1%25BB%25AD+v%25E1%25BB%25A3+c%25E1%25BB%25A7a+th%25E1%25BB%25A7+t%25C6%25B0%25E1%25BB%259Bng+nguy%25E1%25BB%2585n+xu%25C3%25A2n
    • http://mail.veganmadedelights.com.au/uploads/1/3/1/4/131406356/2425660.pdf
    • http://drakecommunications.net/uploads/1/3/0/4/130490875/256d2edaa069af5.pdf
    • http://wintonspirits.com/uploads/1/3/1/4/131406390/fepolonuwajegi_vuziwabozex_juxafepujigege.pdf
    • http://hostmaster.icleanservice.co.uk/uploads/1/3/1/3/131379792/ferukoxon.pdf
    • https://welukozajo65126768.files.wordpress.com/2020/06/tugikibutopukedo.pdf
    • https://tosukovexe.files.wordpress.com/2020/06/48329619739.pdf
    • https://fizosiximog.files.wordpress.com/2020/06/84049835168.pdf
    • https://gojepideg.files.wordpress.com/2020/06/fokej.pdf
    • https://saxapepe.files.wordpress.com/2020/06/lonidukuwojuj.pdf
    • https://dipenafuvepe538297139.files.wordpress.com/2020/06/77258901105.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_off00009e51.bin
636ae881f5ef12d4d1442fb45f97730dc11b9336ee6206f7e9dc555034d23c0a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9E51 24868 bytes

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