Malicious PDF — malware analysis report

Static analysis result for SHA-256 7213158aad30518c…

MALICIOUS

PDF

38.1 KB Authoring application: LibreOffice
MD5: 95d64b7bc7eb8a321061b1bcf1e77a50 SHA-1: 9b1f202b3f137211b78c6794db69361f55559a0f SHA-256: 7213158aad30518cfc0b1fb0a3024b18e7fc4414dda56f9e459fe8382fd9fd25
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This behavior is indicative of a link farm or a method to distribute additional malicious content or phishing lures. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution.

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://henrylabs.org/uploads/1/3/0/6/130621850/c1572a575c.pdf
    • http://www.mattwilliams.co.nz/uploads/1/3/0/4/130489522/656826.pdf
    • http://mail.pixandpages.com/uploads/1/3/0/3/130313173/kakonenaro.pdf
    • http://avidogessentials.net/uploads/1/3/0/5/130590682/vepurasuwomebo.pdf
    • http://www.mar-c-shop.com/uploads/1/3/0/5/130550824/tedin.pdf
    • http://domelinsurance.net/uploads/1/3/0/7/130738487/2389593.pdf
    • http://flynntodd.blog/uploads/1/3/0/3/130323552/fejapiteludata.pdf
    • http://ponoshellcreationshi.com/uploads/1/3/0/4/130488626/lixegorugadod_pelip_kitovesadunifuz.pdf
    • http://dmd3d.com/uploads/1/3/0/5/130551154/b0d65.pdf
    • http://aimztruly.com/uploads/1/3/0/5/130588299/dafimudimig_lawarugamududaj_vumuf_zegakewabus.pdf
    • http://wearsoever.com/uploads/1/3/0/5/130590140/zuvinolewawosuxow.pdf
    • http://mysoulsingsstudio.org/uploads/1/3/0/6/130621355/bamogilavitov_jelediwo_gumogo_fanotagoxawod.pdf
    • http://mylonglocks.com/uploads/1/3/0/6/130621498/8221138.pdf
    • http://kofc869.org/uploads/1/3/0/5/130551212/82e093e3da3cf15.pdf
    • http://mta-sts.mx.sanangelocap.org/uploads/1/3/0/7/130739225/wosafunuxasalixinula.pdf
    • http://leadsolo.com/uploads/1/3/0/5/130551008/8e1b789553bf2.pdf
    • http://silverarcherdesigns.com/uploads/1/3/0/3/130323318/vodadirubunusunu.pdf
    • http://abundantlifetexas.com/uploads/1/3/0/4/130488483/9328cbe348.pdf
    • http://www.sunharvestfarms.com/uploads/1/3/0/7/130739006/5685024.pdf
    • http://pediatricwellness2019.com/uploads/1/3/0/6/130603882/gikilogos-budedexefuju.pdf
    • http://life-in-full-empowerment.net/uploads/1/3/0/5/130588205/jegawepisanekomimab.pdf
    • http://monto.com.mx/uploads/1/3/0/6/130621094/lizek.pdf
    • http://jjgordon.net/uploads/1/3/0/6/130639537/vogozefevosagefoku.pdf
    • http://mx.michaelclawsontherapy.com/uploads/1/3/0/6/130604798/b4b0d0c6c17.pdf
    • http://wcd-nsu4m7p8.mgh-r.ch/uploads/1/3/0/4/130478106/130478106.html#carcinoma+epiderm%C3%B3ide+invasivo+de+colo+uterino

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030da.bin
b3fc401facb274ecd0c88cfc54db8dc9447852273e76110f4d16673c033f421f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x30DA 9400 bytes

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