Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc27890b120929f0…

MALICIOUS

PDF

45.3 KB Created: 2020-06-08 15:12:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1077a6cdee6b714e05b014c7930fe0d8 SHA-1: 57d75e5473df8db2ea80369075c8a43a045cda74 SHA-256: fc27890b120929f0754656509cbc81ae97237071e1301a84cbdad4dd3761278c
102 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF document contains numerous external links, many of which point to PDF files hosted on unrelated domains. The document also includes a heuristic indicating it's a password-protected archive lure, suggesting the user is expected to download an archive and use a provided password. The primary URL appears to be a lure for a password-protected archive, likely intended to bypass security scanning. The embedded URLs are indicative of a link farm used for SEO poisoning or to host malicious payloads.

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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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://perfectbalancehvac.org/uploads/1/3/0/4/130483412/130483412.html#%25D1%2587%25D0%25B8%25D1%2582%25D1%258B+%25D0%25BD%25D0%25B0+%25D0%25B0%25D0%25BD%25D0%25B4%25D0%25B5%25D1%2580%25D1%2582%25D0%25B5%25D0%25B9%25D0%25BB+%25D0%25B1%25D0%25B5%25D1%2581%25D0%25BA%25D0%25BE%25D0%25BD%25D0%25B5%25D1%2587%25D0%25BD%25D1%258B%25D0%25B5+%25D0%25B6%25D0%25B8%25D0%25B7%25D0%25BD%25D0%25B8
    • http://surftripguru.com/uploads/1/3/0/7/130738676/kefelunusere-rofaxenovogimi-miponi.pdf
    • http://ezbreezycbd.com/uploads/1/3/0/6/130621101/lifeje.pdf
    • http://talescopic.org/uploads/1/3/0/7/130776180/letefizizebape.pdf
    • http://ruchithanawala.com/uploads/1/3/0/5/130546804/9055696.pdf
    • http://landcsape.com/uploads/1/3/0/7/130739918/5122566.pdf
    • http://4dt.undesirable.us/uploads/1/3/0/2/130272242/7725682.pdf
    • http://smokepublishing.com/uploads/1/3/1/1/131163856/busetunox-mozemud.pdf
    • http://sevier.me/uploads/1/3/1/4/131406258/sufujulaxojebikub.pdf
    • http://acyesc.com/uploads/1/3/1/6/131636586/vatopev.pdf
    • https://kiwuzep760592565.files.wordpress.com/2020/06/tenusexatajupoliduruzawoz.pdf
    • https://lotosam.files.wordpress.com/2020/06/kebowewijorowen.pdf
    • https://gonaburezi.files.wordpress.com/2020/06/42883425063.pdf
    • https://jakidoxad.files.wordpress.com/2020/06/zisozukobodabikij.pdf
    • http://trinitymillsurban.proposals.jll.com/uploads/1/3/0/8/130874163/8817153.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_off000075fd.bin
973bad8ae91dfc6b810b2d7a2c48245bb5f6ade0920908e21c2d036e0f89e71b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75FD 15940 bytes

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