Malicious PDF — malware analysis report

Static analysis result for SHA-256 9dd2e77e31f22a53…

MALICIOUS

PDF

38.3 KB Authoring application: LibreOffice Draw
MD5: 1843289c3d0f636cf71c7dc194c9cbb0 SHA-1: 50d9d43c7b1214bcb633850c3d51c1d5abde70db SHA-256: 9dd2e77e31f22a53dff4d27e1db39aa8fe2190cd6d28ca4889342fa261ab3df7
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

This PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. The document body contains text related to PDF license keys, which is likely a lure. The primary heuristic indicates a large number of external PDF links, suggesting the document's purpose is to redirect users to potentially harmful websites.

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://innparadisekauai.com/uploads/1/3/0/4/130492963/kadalijezirafe_wujox.pdf
    • http://mmdpgames.com/uploads/1/3/0/3/130313632/2c76c632cf38d.pdf
    • http://genyinvest.de/uploads/1/3/0/3/130323522/3392644.pdf
    • http://robertdwilkens.tech/uploads/1/3/0/3/130312914/jonepejarejipez.pdf
    • http://survivingmytwentysomethings.com/uploads/1/3/0/7/130776239/f647fa6c8d.pdf
    • http://alloexo.studio/uploads/1/3/0/5/130540661/f20f89950.pdf
    • http://pinch.peteandlauren.com/uploads/1/3/0/5/130540619/mosekozapibelise.pdf
    • http://firstratepos.org/uploads/1/3/0/5/130589444/sojewefi_luvij_rodizafoxubakij_palifunapazoj.pdf
    • http://nogginblocks.net/uploads/1/3/0/4/130490665/5747348.pdf
    • http://www.westshoremedics.org/uploads/1/3/0/2/130289723/vajubaf.pdf
    • http://hostmaster.anythingispossible.co.uk/uploads/1/3/0/6/130621371/4475796.pdf
    • http://coge.me/uploads/1/3/0/3/130313624/sereti.pdf
    • http://babygrunts.net/uploads/1/3/0/7/130775536/9552497.pdf
    • http://mommytimeindoorplay.com/uploads/1/3/0/6/130620521/pibofegene.pdf
    • http://arcadesalvacioncarpinteria.com/uploads/1/3/0/4/130483617/nakole.pdf
    • http://nashvillefoodandfun.com/uploads/1/3/0/2/130288338/98cc2.pdf
    • http://sunnystats.com/uploads/1/3/0/7/130739654/nirit.pdf
    • http://savethecourthouseclock.com/uploads/1/3/0/4/130476395/sekapamofubusedamom.pdf
    • http://lebojin.br3h.com/uploads/1/3/0/3/130323329/130323329.html#foxit+phantompdf+license+key+download
    • http://firstratepos.org/uploads/1/3/0/5/130589444/sojewefi_luvij_rodi

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003755.bin
c8cb853d9dd4bdefa400e8734ee6246d0c27584b862537006da1d18171b6a21e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3755 8176 bytes

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