Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca363cd491c50a19…

MALICIOUS

PDF

41.2 KB Authoring application: Scribus
MD5: 8f0e1cf55654d04e791087ed743ae456 SHA-1: 67fef4c2f443f1479d6870a940b66502389201b0 SHA-256: ca363cd491c50a192a29e578c946457857491f35c341e175c9b9eb6c8a73ca82
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or SEO manipulation tactic. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall further supports a malicious intent, likely related to phishing or traffic redirection. 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://mayaarchaeology.net/uploads/1/3/0/5/130588388/7604674.pdf
    • http://worldheartsfairtrade.net/uploads/1/3/0/5/130551021/7437107.pdf
    • http://ronawatts.com/uploads/1/3/0/5/130539393/gurozovitoretexozore.pdf
    • http://girlycrew.com/uploads/1/3/0/4/130436209/5495967.pdf
    • http://lilslutty.com/uploads/1/3/0/4/130478360/9423893.pdf
    • http://mhfacilities.com/uploads/1/3/0/2/130288514/929411.pdf
    • http://www.freeapps-mobilesports.com/uploads/1/3/0/7/130776886/9512020.pdf
    • http://bbqx.net/uploads/1/3/0/6/130639675/7354637.pdf
    • http://nuevaconciencia.info/uploads/1/3/0/5/130589452/ad5aa91.pdf
    • http://www.ucfrugby.org/uploads/1/3/0/5/130588207/saxinis_xetatawino_lokanip.pdf
    • http://seminfo.ru/uploads/1/3/0/4/130488338/3039995.pdf
    • http://nosymptom.org/uploads/1/3/0/4/130483650/9050191f579ad.pdf
    • http://4rtik.com/uploads/1/3/0/5/130588676/b2ab5d40e2.pdf
    • http://dofnelsonfaithfomation.com/uploads/1/3/0/3/130323624/6226665.pdf
    • http://nwm10.club/uploads/1/3/0/7/130776812/2068317.pdf
    • http://74-123-78-242.mgwnet.com/uploads/1/3/0/6/130620564/130620564.html#premiere+elements+vs+premiere+pro

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004619.bin
dd7bccd0bbf18bc8667ac645c9ad11c1fc0544af45ff098eaa897783dd4c754c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4619 8168 bytes

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