Malicious PDF — malware analysis report

Static analysis result for SHA-256 6692b3c50f215d7f…

MALICIOUS

PDF

34.9 KB Authoring application: Solid Converter PDF
MD5: 12e29dd9bc66189bae441402ef06c440 SHA-1: 3af703732e1bbec475e3181e69fe1562fad986a5 SHA-256: 6692b3c50f215d7fce7afb4884bf269bd848019f790b95ae073a4b6781069fdd
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, which is a common technique for distributing malicious content or leading users to phishing sites. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically classified as phishing. No scripts were extracted, but the sheer volume of outbound links suggests a coordinated effort to redirect users to potentially harmful destinations.

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://www.mainstreetlaundry.info/uploads/1/3/0/4/130436513/b55121a9b49e.pdf
    • http://goldmanelectriccorp.net/uploads/1/3/0/7/130775214/833bed28.pdf
    • http://troop12nc.com/uploads/1/3/0/6/130639934/venabod_lenadev_tefet_rorumuvunimoko.pdf
    • http://costaricaherbalmedicine.com/uploads/1/3/0/7/130776403/bawubanijufoz-jamanotebifojin-mivosex-fobijum.pdf
    • http://dichvucaodiem.com/uploads/1/3/0/6/130621240/doluxeloketub-nanorajax-wuzekutetedo.pdf
    • http://ashtoninsuranceagents.com/uploads/1/3/0/5/130589442/9747927.pdf
    • http://hostmaster.teamevans.co/uploads/1/3/0/2/130291030/8892273.pdf
    • http://kingwoodpaintingcompany.com/uploads/1/3/0/2/130288321/temuzidobedudi-pivakigigari-virawezomoge-nugiwes.pdf
    • http://myoliveshack.com/uploads/1/3/0/5/130588509/bewiwolo.pdf
    • http://southernbredpups.com/uploads/1/3/0/6/130639517/7064201.pdf
    • http://klarhestar.com/uploads/1/3/0/5/130551708/nowowilo_gidagubaketo.pdf
    • http://clucktruckportland.com/uploads/1/3/0/9/130969850/130969850.html#istqb+agile+tester+syllabus

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030aa.bin
b8083165411f0c124a68fbdb40a3a137e07d795682351db976daa603d77963c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x30AA 8124 bytes

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