Malicious PDF — malware analysis report

Static analysis result for SHA-256 7cbb025e3a96d0fc…

MALICIOUS

PDF

40.9 KB Authoring application: PDFBox
MD5: 4568e27ad2a9465cc69bb97ca91878d3 SHA-1: a3139809db69d68d981b783353a2d8a469a1da53 SHA-256: 7cbb025e3a96d0fc5437e46fe4d9a652891d994a93bed9c2e8f26afa92561839
120 Risk Score

Malware Insights

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

The PDF file was detected by ClamAV as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. Static analysis revealed a large number of embedded external links, indicating a link farm likely intended to redirect users to malicious content or for SEO manipulation. The document body contains garbled text, suggesting it is not intended for direct user consumption but rather as a container for the malicious links.

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://evangelismfireministries.net/uploads/1/3/0/6/130640042/porufej.pdf
    • http://occasionsbygigi.com.au/uploads/1/3/0/6/130604733/remikele.pdf
    • http://goldendealusa.com/uploads/1/3/0/2/130289247/54ce9307121235d.pdf
    • http://trailofhumanity.com/uploads/1/3/0/4/130477201/fusasomora.pdf
    • http://capehomerepair.com/uploads/1/3/0/7/130740298/6936126.pdf
    • http://ntellectlaw.com/uploads/1/3/0/6/130639509/suseniguta.pdf
    • http://wat.copyrightcontact-100000641253254.com/uploads/2020/01/29/090e7e.pdf
    • http://canopymgm.com/uploads/1/3/0/6/130639355/625b143dc6.pdf
    • http://moayas.com/uploads/1/3/0/6/130604952/8913565.pdf
    • http://nutgraf.ca/uploads/1/3/0/5/130590257/rugoxebolenox-fexakorof-xutudanigurinup-velebopamezibo.pdf
    • http://mi-12ventures.com/uploads/1/3/0/5/130543169/2072c310003d5c.pdf
    • http://nupelicanparty.org/uploads/1/3/0/7/130775422/130775422.html#arithmetic+operators+in+c+language+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000132e.bin
d3e48f16ac2272848d37ebda9f9581f154f923381154ece9785d2ede90309871		 pdf-font-stream PDF embedded font (sfnt) at offset 0x132E 8784 bytes

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