Malicious PDF — malware analysis report

Static analysis result for SHA-256 f257652821316101…

MALICIOUS

PDF

39.2 KB Authoring application: SWFTools
MD5: 87cf2d75a0db17cdf9b6d013e3347ec9 SHA-1: d6e0fcbfa87c0ad486fc4a3d44503d04de3e5e4d SHA-256: f25765282131610115bebdcfeb480b7f667ff93f2dc2fd7887f30abb6c89ae00
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links to other PDF files hosted on various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent. The embedded URLs suggest a link farm or redirection mechanism, likely intended to drive traffic for SEO spam or phishing campaigns. 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://redfishbeaufort.com/uploads/1/3/0/2/130289756/xerasiselut.pdf
    • http://katiesopocidrake.com/uploads/1/3/0/7/130740255/fopazimovozolizit.pdf
    • http://anniebeg.com/uploads/1/3/0/6/130639244/5894dc79198f46.pdf
    • http://michaeltaylorwrites.com/uploads/1/3/0/5/130588989/jajogitumubozi.pdf
    • http://amandlastenberg.com/uploads/1/3/0/2/130289345/fomelifo.pdf
    • http://adamjarvisdesign.com/uploads/1/3/0/4/130494478/38a91e62b9f.pdf
    • http://rubberbymok.com/uploads/1/3/0/8/130814933/begilakerobega.pdf
    • http://a1412531xstreamtravel.xsideas.com/uploads/1/3/0/2/130288397/130288397.html#explain+the+process+of+cytokinesis+in+plant+and+animal+cell
    • http://regiond.swe.org/uploads/1/3/0/6/130603954/f6c5db8b41df0.pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001192.bin
2e7c5239ac86999f22d6662ede7b7da6f2eddcb9309ec79c1e6386233c12345d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1192 7316 bytes

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