Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5b5693519be694a…

MALICIOUS

PDF

40.0 KB Authoring application: Scribus
MD5: 585dffa639a2b7ffe57cb0646afdb1ff SHA-1: 9626c73c2cce4e8f103facce09be3ec4e1804d82 SHA-256: f5b5693519be694aa27260589e86d8436a74a8585f3d6e4d18c407dac84a5414
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links pointing to external PDF files hosted on various domains. This behavior is indicative of a link farm or a phishing campaign designed to redirect users to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification.

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://mail.aliciacasiano.com/uploads/1/3/0/6/130621284/favuwakunol.pdf
    • http://thelaunchworx.com/uploads/1/3/0/2/130289319/gababe_wiwixuruzakef_nirasimuraxi_tokibepa.pdf
    • http://disruptioneer.com/uploads/1/3/0/5/130588931/4846390.pdf
    • http://yogadominique.com/uploads/1/3/0/7/130775151/5581764.pdf
    • http://churchofchrist-wellston.com/uploads/1/3/0/2/130272470/vogedilagizokejeg.pdf
    • http://woodfirepizzadl.com/uploads/1/3/0/4/130483770/xamozusigozup.pdf
    • http://bearsvsbabiesgame.org/uploads/1/3/0/3/130313098/7063026.pdf
    • http://www.teacherkitty.com/uploads/1/3/0/6/130604006/genaronumeve-norugen-japipab.pdf
    • http://fromtribetofacebook.com/uploads/1/3/0/3/130379824/dccf35.pdf
    • http://opencomputehardware.com/uploads/1/3/0/7/130740123/113356d58ee4.pdf
    • http://thesmokingrille.net/uploads/1/3/0/3/130323794/1f99facbf3c.pdf
    • http://standrewarvada.com/uploads/1/3/0/5/130551491/sagonewikuvi_vugevoso_wajafososopuku_balobiluxuposi.pdf
    • http://cesolutions4u.gammaxiques.org/uploads/1/3/0/5/130545753/130545753.html#maximum+dosage+of+local+anesthetic+in+dentistry

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000042f7.bin
2bdec6104dc7c1471ad7be9b9263ef97a6d5496de6e13e374e2c3e24a23be39f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x42F7 8544 bytes

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