Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7bb495bea5340e3…

MALICIOUS

PDF

32.1 KB Authoring application: Karbon
MD5: 7b0c36726acd5eabce28d76d33850472 SHA-1: 30f5f45883453a50644690164e8c3c9a78cd007b SHA-256: d7bb495bea5340e33b6a9b9329aec839f7175b0c83f2b1869320f7675443671b
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted from this sample, 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 https://refuzetone.weebly.com/uploads/1/3/0/5/130551526/sepuvumaguvigagaxoki.pdf
    • https://mamawowero.weebly.com/uploads/1/3/0/5/130588287/79cf84e512.pdf
    • http://agapemedped.com/uploads/1/3/0/2/130292125/fagedaviborek.pdf
    • http://minimebodysculpting.com/uploads/1/3/0/6/130639865/patex_wikoraga_gasizekerifeni_nakobipajuta.pdf
    • http://ortigroupltd.com/uploads/1/3/0/2/130272579/feeda39b3b.pdf
    • http://discoverreps.com/uploads/1/3/0/5/130588982/sapexexasuxus-potalepalol.pdf
    • http://normcosmetics.com/uploads/1/3/0/3/130323581/8ea337d076646.pdf
    • http://obrothersdetailing.com/uploads/1/3/0/7/130776725/1771806.pdf
    • http://asociacionpro-indefensos.org/uploads/1/3/0/7/130739120/9d481.pdf
    • http://msluxecosmetics.com/uploads/1/3/0/3/130324119/130324119.html#tutorial+vba+excel+2013+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000120e.bin
6c419e938dbe13625897c21ee37f765ea9c7c10e9614c2e13833c68e2e3b839d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x120E 8212 bytes

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