Malicious PDF — malware analysis report

Static analysis result for SHA-256 21b896acfeb0b69f…

MALICIOUS

PDF

30.6 KB Authoring application: Nitro PDF
MD5: 638ffd76dd25a2465d229b9cb68049b6 SHA-1: fe92081de4befd92dbf1eb201ec8606fd8a0dc56 SHA-256: 21b896acfeb0b69f8c01483154aeeb01bcba773800e9b060c8eb986ac60c9a8f
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection also flags this as a phishing-related threat. The document body, though partially corrupted, contains text related to 'Washing machine autocad drawing' and lists numerous URLs, suggesting a lure to a link farm. The primary attack pattern involves directing users to these external links, which may host further malicious content or phishing pages.

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://northwestpetscanning.com/uploads/1/3/0/7/130775009/7753453.pdf
    • http://allbacksosteo.com/uploads/1/3/0/4/130477278/9992880.pdf
    • http://www.fionroux.com/uploads/1/3/0/7/130739598/texonom.pdf
    • http://kimberlywatlet.com/uploads/1/3/0/8/130874126/2035438.pdf
    • http://northdallasepilepsy.com/uploads/1/3/0/7/130776022/lorezolopivow_karum_ritoxepinen.pdf
    • http://www.flairclubmilano.com/uploads/1/3/0/7/130775866/eca867.pdf
    • http://flyycollections.store/uploads/1/3/0/4/130476921/bumawikonuran_norotikazule.pdf
    • http://desatascosmolletdelvalles.com/uploads/1/3/0/5/130589198/tuxotirumiv_fetunuz_fepuzituwagi.pdf
    • http://aubreyejones.com/uploads/1/3/0/5/130551096/0ec7e89d0a5f0.pdf
    • http://agrseedandsupply.com/uploads/1/3/0/7/130776519/2837512.pdf
    • http://holanomadas.com/uploads/1/3/0/4/130483200/130483200.html#washing+machine+autocad+drawing

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001f09.bin
e078a09a7ba317277b4b9626db35614d6aa0c372af446538beb6097f02433796		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1F09 8692 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.