Malicious PDF — malware analysis report

Static analysis result for SHA-256 ffa9e387d8faeb64…

MALICIOUS

PDF

39.3 KB Authoring application: SWFTools
MD5: 41c8fdba3dfca90b4fe1ab0934abfdb7 SHA-1: b8c82635d87d188c9f4f90cc45b3921f5d044aef SHA-256: ffa9e387d8faeb6406611b8afcf36a04beb4ea80bb2633d2b430047bcc49fb1d
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as detected by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a coordinated effort to redirect users to potentially malicious content. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or traffic-robotting intent. 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://wesleyessink.com/uploads/1/3/0/7/130776197/da28f24cc0bd616.pdf
    • http://empire23.com/uploads/1/3/0/6/130604575/9508781.pdf
    • http://syneride.com/uploads/1/3/0/2/130287896/vudiwilepawat.pdf
    • http://doverashop.com/uploads/1/3/0/2/130274322/lunewo-kakodujogadagut.pdf
    • http://moondustmountain.com/uploads/1/3/0/2/130272286/7564338.pdf
    • http://minisheepadoodlepuppies.com/uploads/1/3/0/4/130488063/859219.pdf
    • http://hostmaster.bespokecurtainsandblinds.com/uploads/1/3/0/7/130738971/kikusi-rofibozezenozaz.pdf
    • http://mid-atlanticmountainworks.com/uploads/1/3/0/5/130543536/kaponuv.pdf
    • http://www.airstreamflying-cloud19cb.net/uploads/1/3/0/6/130639668/fokepis_tukufobosu.pdf
    • http://nofeebt.com/uploads/1/3/0/5/130590443/rodogekukevekowomid.pdf
    • http://cpanel.gammaxiques.org/uploads/1/3/0/9/130969854/130969854.html#defining+adjective+clauses+konu+anlat%C4%B1m%C4%B1
    • http://mid-atlanticmountainworks.com/uploads/1/3/0/5/130543536/kaponuv

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000034a6.bin
83d89f79375f7f339e88070a8779324ce221c94923bff415e388e162fbc46cfe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x34A6 2604 bytes
font_01_sfnt_off000040db.bin
64838de59af86874ecbb58efcd9a9b1de1b6da5d84eeeffd23e9b1c0f2046021		 pdf-font-stream PDF embedded font (sfnt) at offset 0x40DB 9740 bytes

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