Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8566e24b0a67093…

MALICIOUS

PDF

109.6 KB Authoring application: PDF Studio
MD5: 896b3a64a35ebcf96fd125e5c8797549 SHA-1: cda3242d1135c88c45cf31eaf96cd40ed738420a SHA-256: e8566e24b0a67093b3ff3e182a17b84d01d732a3998bd5b8c00c610fe8ee3410
128 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to potentially malicious content, as indicated by the PDF_SEO_LINK_FARM heuristic and ClamAV detection. The document body, though corrupted, suggests a lure related to BPMN 2.0 modeling, likely to entice users to click on the embedded links. The primary attack pattern involves a link farm designed to redirect users to malicious sites.

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://naturetherapycic.com/uploads/1/3/0/6/130604025/rogavuseg_nuzogopubes_sodujani.pdf
    • https://xetiratid.weebly.com/uploads/1/3/0/5/130550976/rusanewexulebok.pdf
    • http://momentsbymelinda.net/uploads/1/3/0/2/130271023/zunuzadilatudizovaku.pdf
    • http://jarofthreads.com/uploads/1/3/0/6/130604354/tedigadagukoxaf_mutawamis_pabeba_zotasum.pdf
    • http://mlphotoservice.com/uploads/1/3/0/2/130272435/a0581208.pdf
    • http://mistereeproject.com/uploads/1/3/0/5/130551483/9f419c.pdf
    • http://cityonloc.com/uploads/1/3/0/7/130739221/130739221.html#bpmn+2.+0+books+free

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001301.bin
9abad5ae9979e8c04665cbc0097b0a127c1e08f32f9f45506c316aafba517294		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1301 10496 bytes
font_01_sfnt_off000178bb.bin
86e65ececa07ee751bf41c0d5b8f77cd3d06e17e1d33b0110d85a3cff843d293		 pdf-font-stream PDF embedded font (sfnt) at offset 0x178BB 1356 bytes

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