Malicious PDF — malware analysis report

Static analysis result for SHA-256 9db56ca43e101877…

MALICIOUS

PDF

38.3 KB Authoring application: ImageMagick
MD5: 7cecf1548bbd2d6e78b2b18781da8f90 SHA-1: 94c3a23893d6fa73f217a2502cf62d9fac1e7f15 SHA-256: 9db56ca43e101877c39730ee568714a2d1828b842ac5c8fdeabb25f1daf86d06
120 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, a technique commonly used for SEO poisoning or to redirect users to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted, limiting the analysis of direct payload execution.

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://centreformindfulness.ca/uploads/1/3/0/5/130590367/taxekarewin.pdf
    • http://sunnyonthemic.com/uploads/1/3/0/4/130488085/2499147.pdf
    • http://5404frc.weebly.com/uploads/1/3/0/2/130289611/4c1c03889af.pdf
    • http://theporterauthority.com/uploads/1/3/0/5/130551661/71e94.pdf
    • https://vizadubivafa.weebly.com/uploads/1/3/0/5/130550993/7992220.pdf
    • http://ccmun.ca/uploads/1/3/0/6/130604693/supuratifakeroj_simobora.pdf
    • http://mybodymysoul.org/uploads/1/3/0/3/130323507/koxugozefitoluv_libup_jatomabog_tevaduvo.pdf
    • http://buildersblitzcapecod.org/uploads/1/3/0/6/130639365/c2b7aa.pdf
    • http://cfthomas.com/uploads/1/3/0/4/130490776/130490776.html#quest+belief+system+pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011a4.bin
7cc935d9d785f4dd48457b1942f3b5608d2731fcf8da5fd0fac6a21e789b52e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11A4 8000 bytes
font_01_sfnt_off00005aaa.bin
63f5e27ee3d24cc00d413e59c301cc73ab377383609796993547673f2bea898c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AAA 2600 bytes

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