Malicious PDF — malware analysis report

Static analysis result for SHA-256 a3db3d3fd97cebe6…

MALICIOUS

PDF

37.8 KB Authoring application: OpenOffice Draw
MD5: 562a80db9fad03faf427423c14bb9d8b SHA-1: 9d30e4ec1dcb924cf961a06389fb1f9d8c46f764 SHA-256: a3db3d3fd97cebe68286dcca60b29e3a3a12d18304190f0db22cefb4ffb2ebb1
128 Risk Score

Malware Insights

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

The PDF file contains a link farm with numerous URLs pointing to other PDF files, indicating a phishing or malware distribution attempt. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this assessment. The document body, though partially corrupted, contains some of the URLs, suggesting they were intended to be presented to the user.

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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://people.co.nz/uploads/1/3/0/5/130543552/kanazemit.pdf
    • http://ror.secretcats.net/uploads/2020/01/28/3be3fe5bf.pdf
    • http://mig-computer.org/uploads/1/3/0/5/130551562/f6f1c4b.pdf
    • http://bbytransienthouse.com/uploads/1/3/0/5/130543784/7943528.pdf
    • http://nqfd.com.au/uploads/1/3/0/5/130551487/3806934.pdf
    • http://trevornewtonartist.com/uploads/1/3/0/6/130603835/5283817.pdf
    • http://angelcleaningservice.net/uploads/1/3/0/7/130775992/bbda51cfccb7a.pdf
    • http://pezularealty.com/uploads/1/3/0/5/130539338/8adb95edb3.pdf
    • http://dcchosa.com/uploads/1/3/0/5/130540134/wojesaxiwu_gedakerafoz_xezogelugafep.pdf
    • http://pivofekik.specodegda-kemerovo.ru/uploads/2020/01/29/wugugop.pdf
    • http://riverlodgervpark.com/uploads/1/3/0/5/130590108/1729241.pdf
    • http://jjbeef.com/uploads/1/3/0/5/130588613/5d9fdd6fe76.pdf
    • http://5pointauto.com/uploads/1/3/0/6/130620845/130620845.html#fireworks+animation+video+free

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012cc.bin
73bba51ce56e36e90bc4bb40168b6f5dd8864766bad6784376e3050bdcf0747b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12CC 8048 bytes

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