Malicious PDF — malware analysis report

Static analysis result for SHA-256 06508da0a0e459c6…

MALICIOUS

PDF

44.4 KB Authoring application: Soda PDF
MD5: 02d34764ef273b8b7f9e7e8a4c65531c SHA-1: 3891d9aafdfee5f55be61968fb69dcb0a3f2e10d SHA-256: 06508da0a0e459c6e5717d53c12f86d113d768b4e9971342ccc0cc02b9cbe9ef
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics, including a critical alert for a large external link farm. The embedded URLs point to numerous PDF files hosted on various domains, suggesting a coordinated effort to manipulate search engine results or distribute malicious content. While no scripts were explicitly extracted, the nature of the link farm and the ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' indicate a phishing or SEO-based distribution tactic.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://procartilage.com/uploads/1/3/0/6/130604181/7289746.pdf
    • http://pym.trump-test.co.uk/uploads/1/3/0/6/130620568/2407172.pdf
    • http://thewardscottfiles.com/uploads/1/3/0/4/130436054/lijuvuzulavef.pdf
    • http://monthlyphysicalchallenge.com/uploads/1/3/0/5/130538817/wirigimeti.pdf
    • http://stamfordplazaleasing.com/uploads/1/3/0/6/130620719/9c555.pdf
    • http://experiencetrailhead.com/uploads/1/3/0/6/130605426/1849858.pdf
    • http://zero8productions.com/uploads/1/3/0/7/130738835/gitelanijo.pdf
    • http://ruthcadioli.com.au/uploads/1/3/0/6/130604408/mizaka-vemiwi-ketup.pdf
    • http://www.talleylakehouse.com/uploads/1/3/0/4/130436089/nusuxakapexip.pdf
    • http://meditat-ng.com/uploads/1/3/0/4/130489933/dfeb73f9.pdf
    • http://mk-acupuncture.com/uploads/1/3/0/6/130620522/2112266.pdf
    • http://it-pi.nl/uploads/1/3/0/9/130969384/6648816.pdf
    • http://nomoresound.com/uploads/1/3/0/8/130814216/fowoxelenabapunoki.pdf
    • http://www.mycupidclothing.com/uploads/1/3/0/7/130776271/a1502875aa5d0.pdf
    • http://host196.carmichaelnl.com/uploads/1/3/0/2/130271117/130271117.html#what+foods+to+eat+for+ab+negative+blood+type

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005422.bin
ca2e0dfeffda0fb2972aff3586be3e549e2c0ab3c411db45b8cbd35c39ea4950		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5422 8128 bytes

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