Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbbb3e82e66ad42f…

MALICIOUS

PDF

35.8 KB Authoring application: Inkscape
MD5: 4e39372513a86fd25a63149b19b03745 SHA-1: 1d01a6d6fec28a72d79090f03cdb473e978dfd20 SHA-256: fbbb3e82e66ad42f7ad4e70426cfbf129db4a3766c55d48fd82f1bba250bffad
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique commonly used in SEO poisoning and phishing campaigns to redirect users to malicious sites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification. The document body text is largely irrelevant, containing only generic phrases about behavior types.

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://nishadalaruzmani.net/uploads/1/3/0/4/130435791/sipatonobi_gutow.pdf
    • http://nissanpatrolparts.com/uploads/1/3/0/6/130605248/5d8ba.pdf
    • http://hairypretzels.net/uploads/1/3/0/5/130590462/podefo.pdf
    • http://salftom.store/uploads/1/3/0/4/130488096/341889.pdf
    • http://tallahasseespraywash.com/uploads/1/3/0/6/130603753/vobumugadozubixatis.pdf
    • http://nickersongenealogy.net/uploads/1/3/0/4/130477490/1389406.pdf
    • http://newnextsf.com/uploads/1/3/0/6/130620795/c220fbef9.pdf
    • http://watsonstestsite.com/uploads/1/3/0/6/130604422/8822003.pdf
    • http://toxicgolf.com/uploads/1/3/0/4/130488884/45001258338.pdf
    • http://mensthings.net/uploads/1/3/0/3/130323208/vogibodafi-babexudajat-rotoka.pdf
    • http://mrshandyman.net/uploads/1/3/0/7/130776276/9f2ea30a89ae.pdf
    • http://mikeintucson.com/uploads/1/3/0/3/130323164/130323164.html#differentiating+assertive+from+aggressive+and+passive+behavior

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000126c.bin
3a7ee1b559f2b2d916f98ae7479f4cc710e4353634359e6a774d248f43b2bdaa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x126C 7788 bytes

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