Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ac069c176c3c0d7…

MALICIOUS

PDF

52.3 KB Authoring application: pdf-parser
MD5: 0ab7f1b7519128ac6cff6e4eb5ea73b3 SHA-1: 114361fa249d739c9883a61fe87040a10efbba30 SHA-256: 0ac069c176c3c0d74e4b0160e32976f47b9b5211a1978dc1996e3ee9d36d2cad
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm, which is a common technique for distributing phishing content or redirecting to malware download sites. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or a downloader. No scripts were extracted, but the PDF structure itself is indicative of a malicious campaign.

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://royalglossbrat.com/uploads/1/3/0/6/130604117/7635753.pdf
    • http://irving0726.net/uploads/1/3/0/5/130589415/4062943.pdf
    • http://mslopezkinderguardenclass.net/uploads/1/3/0/6/130603760/4211821.pdf
    • http://my-riverside-dui-lawyer.com/uploads/1/3/0/5/130550652/1648266.pdf
    • http://jaimoda.com/uploads/1/3/0/6/130639591/podegazetabobon.pdf
    • http://www.scrocco-kelly-dialogue-portfolio.com/uploads/1/3/0/3/130312974/gukilegiweje-tisumekanoji-xefozorizuwixi.pdf
    • http://updanceacademy.com/uploads/1/3/0/6/130620927/zavif_nuvifumu_pidurinenap.pdf
    • http://latticecircuits.com/uploads/1/3/0/8/130814032/4bcb5036a333.pdf
    • http://meirdamsport.eu/uploads/1/3/0/8/130814208/pijemavobejite-fonezobaleg.pdf
    • http://coybutstormy.com/uploads/1/3/0/4/130476943/aaf3a9690d.pdf
    • http://grupit.com/uploads/1/3/0/3/130323232/dozofij.pdf
    • http://pastandpresentmedia.com/uploads/1/3/0/7/130739583/madalibaver.pdf
    • http://davekuhn.com/uploads/1/3/0/7/130740522/c63c4eb38dd5ec7.pdf
    • http://mx.blumengardenbistro.com/uploads/1/3/0/4/130488513/2096307.pdf
    • http://n947rv.com/uploads/1/3/0/6/130620601/joxugozem.pdf
    • http://newbraunfelsanimalhospital.com/uploads/1/3/0/3/130313673/lurunozesexuvevuli.pdf
    • http://www.jpearceconsultancy.com/uploads/1/3/0/5/130590756/1544869.pdf
    • http://henrysommers.com/uploads/1/3/0/8/130814118/gefujef_dagaxalixi_gevesev_savitoja.pdf
    • http://hostmaster.roseseymet.com/uploads/1/3/0/7/130776822/fagegudezaru.pdf
    • http://74-123-72-231.mgwnet.com/uploads/1/3/0/3/130313218/130313218.html#alienware+area+51m+ssd+upgrade

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001005.bin
90756bb3b9ccc3a9604d7aa9764f07df6f731b423e042c6b5a9ef0eb6e7c748e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1005 8156 bytes

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