Malicious PDF — malware analysis report

Static analysis result for SHA-256 beabafd70508d941…

MALICIOUS

PDF

42.4 KB Authoring application: Pdftk
MD5: b79724293342fe0ebd2f776c3f1b46e8 SHA-1: 4db4c96e00fb2cc2e54e45f92b1b7a27aeb451bb SHA-256: beabafd70508d9418342b70179f1e0f7453a2bd8f8c8b6e487c11043b4901b17
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a coordinated effort to distribute malicious content or conduct phishing. The ClamAV detection and ML classifier further support its malicious nature. No scripts were extracted from this sample.

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://grantediting.net/uploads/1/3/0/8/130813650/gikubabawo.pdf
    • http://artbyjonmcgaa.com/uploads/1/3/0/5/130589334/kuvenidobix-sirewonera-ridoxoxedefamor.pdf
    • http://melscripting.net/uploads/1/3/0/5/130590682/kowazavinuretuxo.pdf
    • http://mifamilialawncare.com/uploads/1/3/0/4/130483632/7e6471.pdf
    • http://fancyfeatheredfarm.com/uploads/1/3/0/5/130551258/xadalekapakutu.pdf
    • http://sirenalpha.com/uploads/1/3/0/3/130313026/3745276.pdf
    • http://alstart.co.uk/uploads/1/3/0/2/130289485/tunekifarafam.pdf
    • http://macmarketplace.net/uploads/1/3/0/5/130551257/310c5.pdf
    • http://porschasdivinediamonds.com/uploads/1/3/0/4/130489776/347d7ce245314.pdf
    • http://miamfoundation.com/uploads/1/3/0/2/130272432/deginare_jakiwon_vudujejogotob.pdf
    • http://viatenerife.eu/uploads/1/3/0/6/130639616/dovobax.pdf
    • http://tjscatering44.com/uploads/1/3/0/7/130738528/mukudatizomeb_vekugobulub.pdf
    • http://justleafwell.com/uploads/1/3/0/6/130639552/kavugibitegur.pdf
    • http://pgadoptions.org/uploads/1/3/0/7/130739567/punomalemero.pdf
    • http://cjconcep.art/uploads/1/3/0/6/130603932/7448000.pdf
    • http://consciousfrog.com/uploads/1/3/0/8/130874631/giluvunasesib.pdf
    • http://macroproject.net/uploads/1/3/0/2/130272234/basuxatojekarexu.pdf
    • http://mytjscatering.com/uploads/1/3/0/7/130739699/2055877371e.pdf
    • http://bitbreakers.com/uploads/1/3/0/6/130604077/dfe8cc6.pdf
    • http://mail.udayagaanam.com/uploads/1/3/0/6/130621954/130621954.html#what+foods+can+a+seven+month+old+baby+eat

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000472b.bin
2524479dcc2e68f7dbe9949eccab309c5939c2ad5d98f0470c6f66ecddf34440		 pdf-font-stream PDF embedded font (sfnt) at offset 0x472B 8120 bytes

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