Malicious PDF — malware analysis report

Static analysis result for SHA-256 0fd758e71e9ea3eb…

MALICIOUS

PDF

56.9 KB Authoring application: Soda PDF
MD5: 50ac6a647647cac07e2142066713c501 SHA-1: 314c537f10658e8b3439b8c5590d1494b96e1690 SHA-256: 0fd758e71e9ea3eb35ff46d373df5b27038f270394f92d88b24817a5dbc727e4
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO spam or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, classifying it as phishing or malware distribution. No scripts were extracted, but the sheer volume of external links suggests a coordinated effort to redirect users.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://hifuckers.com/uploads/1/3/0/5/130542692/jovobovuke-rijileloxup-duniwawuxupi.pdf
    • http://happycamperllc.com/uploads/1/3/0/8/130874045/7256390.pdf
    • http://brendanfletcher.com/uploads/1/3/0/3/130379173/dujageseja.pdf
    • http://triplea-solutions.com/uploads/1/3/0/3/130323106/dapozaxo.pdf
    • http://citymarketescaperoom.com/uploads/1/3/0/6/130604987/dobadafito-gobojagaxawux-fonenoj-nokerobujo.pdf
    • http://mediquips.com/uploads/1/3/0/6/130639580/puguz-mewakoro.pdf
    • http://milliondollarsmile-pp.com/uploads/1/3/0/6/130639138/lexufudusur_pevemexida.pdf
    • http://jillianleanbookkeeping.com/uploads/1/3/0/5/130540176/b2139.pdf
    • http://dancinggoatsanctuary.com/uploads/1/3/0/4/130488786/1712553.pdf
    • http://palladianpartner.com/uploads/1/3/0/4/130477805/fisanifiride-jawalomolu-gipejuvokuj-zozexamuf.pdf
    • http://jimrollins.net/uploads/1/3/0/6/130604690/7adf0550db0174f.pdf
    • http://epickb.org/uploads/1/3/0/6/130603810/jepefuses.pdf
    • http://ilovestan.info/uploads/1/3/0/3/130379170/ginusajotinavavama.pdf
    • http://autochessspace.com/uploads/1/3/0/6/130620841/nakaxadategepok.pdf
    • http://nvclosedeals.com/uploads/1/3/0/6/130639720/betaxigarepume.pdf
    • http://sweetwatermanors.com/uploads/1/3/0/2/130272254/b8f580bac5894.pdf
    • http://marinalavrova.com/uploads/1/3/0/7/130775166/694175.pdf
    • http://brandstormpromotions.net/uploads/1/3/0/2/130272644/130272644.html#treatment+of+sickle+cell+disease+in+nigeria
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicense
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003ff6.bin
4e9ae17c41f053e7ad2cff4c16f4465db96732130fdde230725ded2fe80853ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3FF6 3156 bytes
font_01_sfnt_off00004da1.bin
13330edfd0aeb864056c74869a31fcc231f5fcabd76e7c74b18f2a3ec1529d7f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4DA1 8420 bytes
font_02_sfnt_off00009c1d.bin
61ca593122bdf9f8d2de89784c713a2b278bdd5b054eff5a59c50fd3ef05b3a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9C1D 16148 bytes

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