Malicious PDF — malware analysis report

Static analysis result for SHA-256 977caec3ce62fdfa…

MALICIOUS

PDF

44.5 KB Authoring application: GIMP
MD5: 910a6bb5a553ff951d3485d194486dac SHA-1: 86d66232ddc0bbb0c7f833ff972eac0695e9e117 SHA-256: 977caec3ce62fdfaaaf2093ac05f1d8d5b92347f13b08d13eb8028879b5452a4
120 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', indicating a phishing or traffic redirection purpose. The PDF_SEO_LINK_FARM heuristic fired, confirming the presence of a mass external link farm within the document. These links likely serve as the primary mechanism for directing users to malicious content. No scripts were extracted from this sample.

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://clogdancing.org/uploads/1/3/0/7/130776626/1f2427f8ec0.pdf
    • http://rxtraining.ca/uploads/1/3/0/3/130313002/lexirek.pdf
    • http://iwamastyleatlanta.com/uploads/1/3/0/6/130639965/kavejidusavilo.pdf
    • http://syracusechildrenschorus.org/uploads/1/3/0/3/130313488/2883d0eccf38.pdf
    • http://risingskyproductions.com/uploads/1/3/0/7/130740123/bubojuzes-wunuzo-subug.pdf
    • http://costaparadiso.holiday/uploads/1/3/0/6/130604394/saludomirural-zevinudozusudax-kumumajokin-witele.pdf
    • http://mynaturalhairspa.com/uploads/1/3/0/4/130477252/130477252.html#future+simple+passive+voice+%D0%BF%D1%80%D0%B8%D0%BC%D0%B5%D1%80%D1%8B

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001546.bin
d837deb6a460561dcfaf6868172361deaed4407f2c1b4629ec820923966ee4ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1546 12448 bytes

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