Malicious PDF — malware analysis report

Static analysis result for SHA-256 4fde96c38ee14400…

MALICIOUS

PDF

41.1 KB Authoring application: Soda PDF
MD5: 730894223561a549eefe5e553479bbd1 SHA-1: 838935f2286be8ee7efc7ff28b735bbfefb21c24 SHA-256: 4fde96c38ee1440032f6c5627be2291eb2542f8905fd5125911cc3b3d0069480
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, a technique often used for SEO manipulation or to distribute malware. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious distribution intent. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://birdsongherbfarm.com/uploads/1/3/0/3/130323554/daburepuxatolikepan.pdf
    • http://thepacketpusher.net/uploads/1/3/0/4/130435629/4521845.pdf
    • http://northernsound.com/uploads/1/3/0/6/130639358/5229650.pdf
    • http://hostmaster.cluttermeister.co.uk/uploads/1/3/0/8/130813645/3300370.pdf
    • http://mswinslow.com/uploads/1/3/0/7/130739510/92684a.pdf
    • http://dwoslab.com/uploads/1/3/0/7/130739887/jomenivonibubi.pdf
    • http://wedoshopinsurance.com/uploads/1/3/0/5/130546096/zizisewaliveleke.pdf
    • http://www.rachelefiore.com/uploads/1/3/0/8/130874490/9655314.pdf
    • http://phprecipes.com/uploads/1/3/0/6/130620955/3ad886fcb4.pdf
    • http://www.govacationsamui.com/uploads/1/3/0/6/130639705/kimusoduz.pdf
    • http://boilermakerjobs.net/uploads/1/3/0/2/130271187/8030293.pdf
    • http://elitemoldremediationllc.com/uploads/1/3/0/6/130604613/musufosituwex.pdf
    • http://dolack.net/uploads/1/3/0/3/130379104/c9348.pdf
    • http://mta-sts.mx.adamhager.com/uploads/1/3/0/4/130478663/4298415.pdf
    • http://jacmelinfos.net/uploads/1/3/0/7/130739839/ff8d36bbf.pdf
    • http://foto-research.com/uploads/1/3/0/6/130639842/6860181.pdf
    • http://host142.carmichaelnl.com/uploads/1/3/0/7/130774977/130774977.html#deforestation+contributes+to+climate+change
    • http://dwoslab.com/uploads/1/3/0/7/1307398

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000042cb.bin
059fdcbee83b398410977816b85394e6700c6b3d7291d5c92edf74189ce96d79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x42CB 8868 bytes

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