Malicious PDF — malware analysis report

Static analysis result for SHA-256 b7a7f4ace053adb2…

MALICIOUS

PDF

76.6 KB Authoring application: SWFTools
MD5: eb3f034b69d11677e0ae9b5edac58a58 SHA-1: b5d38bb1b497e3f9d75ced6447960fc6a8945fdf SHA-256: b7a7f4ace053adb2c24660c200c2f6e0e72b4a66622881426efbb03f5d291667
162 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains, indicating a link farm or redirection strategy. The heuristic 'SE_LOLBIN_RUN_COMMAND' suggests that the document may also contain instructions for executing commands via Windows scripting tools. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The document body contains garbled text and some recognizable English phrases, but does not provide clear instructions or context for the malicious activity.

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • 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://potsandpets.com/uploads/1/3/0/4/130475996/8740127.pdf
    • http://lingeriestoresplano.net/uploads/1/3/0/6/130620795/xoxetu.pdf
    • http://projectdreamport.info/uploads/1/3/0/6/130639183/317a12fd1e44.pdf
    • http://musicdepotrocks.com/uploads/1/3/0/5/130588754/runujimenuje.pdf
    • http://back2hemp.com/uploads/1/3/0/8/130874194/9774076.pdf
    • http://thaifoodmall.com/uploads/1/3/0/6/130639641/widot.pdf
    • http://udo-lindenberg-handsigniert.org/uploads/1/3/0/5/130588710/mulomume_dirifola_sijufuzusawog_sutomef.pdf
    • http://morellicup.com/uploads/1/3/0/6/130605422/2a758b192.pdf
    • http://www.southcobbcastle.com/uploads/1/3/0/4/130488506/wegakusebagozi.pdf
    • http://www.sourcewool.com.au/uploads/1/3/0/8/130813094/91aec.pdf
    • http://cubcountry.org/uploads/1/3/0/7/130740420/3958839.pdf
    • http://cpanel.rjgehringer.com/uploads/1/3/0/6/130604599/kerone.pdf
    • http://alloexo.studio/uploads/1/3/0/7/130775702/1232121.pdf
    • http://xiaodiya.com/uploads/1/3/0/7/130776167/xekidofixuxora-timaz-sudobaz.pdf
    • http://hopefulwellness.com/uploads/1/3/0/4/130476514/7dca66e1b.pdf
    • http://alverich.org/uploads/1/3/0/7/130775805/vavuxinu.pdf
    • http://merakiofferings.com/uploads/1/3/0/7/130775366/7296730.pdf
    • http://nfondy.net/uploads/1/3/0/6/130603943/4469186.pdf
    • http://dedic-11-surveilance.pleasingfood.com/uploads/1/3/0/4/130476732/130476732.html#australia+zoo+steve+irwin+son

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003989.bin
b578b08bbfbed2a6f5d4cba7ccc51a009a4db21b5c81b2d4818d52328bcf35a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3989 9020 bytes

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