Malicious PDF — malware analysis report

Static analysis result for SHA-256 d13ec2036abece26…

MALICIOUS

PDF

40.6 KB Created: 2020-04-08 20:47:34 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 72cfef9d5cf7d187c35d333e5b8ee001 SHA-1: 7cca38f0401b1ffa4dec299d103f964df1d39ce8 SHA-256: d13ec2036abece266df3c34171e27330b257c3858fb8377d06cef471097b3f82
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file exhibits characteristics of a link farm, containing numerous external URLs. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, with 'endofbench.com' being a dominant host. This suggests the document's primary purpose is to redirect users to potentially malicious websites, likely for phishing or malware distribution. No scripts were extracted from this sample.

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://prescottrealestatereferrals.com/uploads/1/3/1/1/131164243/131164243.html#cantaloupe+island+sax+quartet+sheet
    • http://endofbench.com/uploads/1/3/1/3/131379636/d31a987f82.pdf
    • http://napashuttlelimo.com/uploads/1/3/0/4/130476970/fumafab_nopevexosu.pdf
    • http://www.raziboutique.com/uploads/1/3/0/7/130740461/6576464.pdf
    • http://jameslythe.com/uploads/1/3/0/5/130539139/xasafenawisadi_zakexeren_nakoka_zisak.pdf
    • http://alyciadavino.com/uploads/1/3/0/6/130603955/2492776.pdf
    • http://tahiracleaningservice.com/uploads/1/3/0/6/130620407/vubapa-visonakufibi-zojubotixevuf.pdf
    • http://fsc-nationwide.com/uploads/1/3/0/5/130551962/1ae1545be89b.pdf
    • http://samloveserin.com/uploads/1/3/0/7/130739333/ccf7af.pdf
    • https://www.com/user/19607086/scores/3895911
    • 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_off0000733b.bin
8a8064a39323a778fdcc0d02d3909355d1f2eb673611d717cce5ed44414a0101		 pdf-font-stream PDF embedded font (sfnt) at offset 0x733B 9168 bytes

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