Malicious PDF — malware analysis report

Static analysis result for SHA-256 ac104dd5b8e27c2f…

MALICIOUS

PDF

41.6 KB Authoring application: Soda PDF
MD5: abba3f10127fc742e5ab214f01af6366 SHA-1: f5d7c0e578ddd25578d3fad2fcc38a50e332a0be SHA-256: ac104dd5b8e27c2f87c2fd17cee6bf8f893e5f1dae981066f008a3a518927087
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. The embedded URLs point to various domains, suggesting a broad distribution or redirection infrastructure.

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://obxaerialads.com/uploads/1/3/0/2/130270804/1249770.pdf
    • http://thefatherrising.org/uploads/1/3/0/5/130589208/1057072.pdf
    • http://pisymposium.com/uploads/1/3/0/6/130620781/9671397.pdf
    • http://bigcreekgreenway.org/uploads/1/3/0/5/130550652/d0b697c50.pdf
    • http://velexy.com/uploads/1/3/0/5/130588151/vepekomin.pdf
    • http://watsonstestsite.com/uploads/1/3/0/6/130639230/xuzakikibaziwi.pdf
    • http://pmc-english.com/uploads/1/3/0/5/130542937/7358153.pdf
    • http://suzannefife.com/uploads/1/3/0/6/130604188/reregit.pdf
    • http://scholasticachievementpartnershandbook.com/uploads/1/3/0/6/130605353/liferiwev.pdf
    • http://experiencekailua.com/uploads/1/3/0/8/130873855/zatitoziwijilasewef.pdf
    • http://darkbathtub.com/uploads/1/3/0/7/130738785/pajosejigesazam_futelexikawibem_molufilori_dizewukaza.pdf
    • http://sprovencher.com/uploads/1/3/0/6/130621353/misutolopusolem.pdf
    • http://barneymcbarnface.com/uploads/1/3/0/5/130588971/de18dcbc.pdf
    • http://tgvarik.net/uploads/1/3/0/3/130312965/maruxepadebifiratido.pdf
    • http://poliotoolkit.org/uploads/1/3/0/7/130776649/luwopas.pdf
    • http://johnvthephotographer.net/uploads/1/3/0/4/130476699/df187.pdf
    • http://london-office-3.pleasingfood.com/uploads/1/3/0/2/130291365/130291365.html#alcalosis+metabolica+por+tiazidas

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000440e.bin
cb3b7a5ffedd9bf4b21db4d56cef9f6a31126f4b7b849279e0a7b24f607514d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x440E 10776 bytes

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