Malicious PDF — malware analysis report

Static analysis result for SHA-256 96462aef82e8f43c…

MALICIOUS

PDF

49.7 KB Authoring application: Scribus
MD5: 9597fa5f459ee3d21f2bce648005c675 SHA-1: e3f8a641e23fe91f2139d6f8f4c1c3640c5c56e6 SHA-256: 96462aef82e8f43c1366c36cd61b2c56b840ac2082ff4c21451224f8f7494865
120 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. ClamAV also detected this file as Pdf.Phishing.TtraffRobotInstall-7605656-0. The embedded URLs are likely used to distribute phishing content or for SEO manipulation. 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://eainque.com/uploads/1/3/0/3/130324050/bigodo.pdf
    • http://stjudesplayers.co.uk/uploads/1/3/0/7/130775031/gojunix_kotaf.pdf
    • http://www.theinnersparkschool.com/uploads/1/3/0/3/130323157/c26eff0c20185.pdf
    • http://hkarkansas.net/uploads/1/3/0/5/130541077/8972398.pdf
    • http://keith-allred.com/uploads/1/3/0/7/130775827/xikurazogujozagomoba.pdf
    • http://ashleyandjeffery.com/uploads/1/3/0/6/130604030/b958ef574ed415.pdf
    • http://vivarealizandosonhos.com/uploads/1/3/0/2/130272932/303110.pdf
    • http://unggulsafetyhealth.com/uploads/1/3/0/7/130776649/ffcfac9.pdf
    • http://www.sarahardin.net/uploads/1/3/0/6/130604434/85b659cc.pdf
    • http://mandyowen.net/uploads/1/3/0/5/130542758/6695684.pdf
    • http://volantinc.com/uploads/1/3/0/6/130620326/finenikulom-mafimajara-zixudegeregobib-sovorapewov.pdf
    • http://rentmydump.net/uploads/1/3/0/4/130490876/a72804.pdf
    • http://mandakemp.com/uploads/1/3/0/5/130589310/jibugi.pdf
    • http://8rvq2ki.brdge.org/uploads/1/3/0/6/130621802/130621802.html#rheumatic+fever+prophylaxis+in+penicillin+allergy

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005d6f.bin
6dc6e07f93ae70488a19e8a398a1c6cda2f5723fc3d3cbe180c5afbb10c3611e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D6F 2864 bytes
font_01_sfnt_off00006a18.bin
38e346aa14a57ef94ea4cee99ff6fc77f6e88aeeeb09155a53797f194c41b124		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A18 8152 bytes

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