Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec976aef971012e1…

MALICIOUS

PDF

42.4 KB Authoring application: Scribus
MD5: bb52c14340468e9740a8b83e81de9f77 SHA-1: 1fac7114e16c799d049bef9287260d1de39f8dd4 SHA-256: ec976aef971012e17a09e04bcf062087d231d6143c1332c5661799a05ec4c728
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, a technique commonly used for SEO spam or phishing campaigns. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent. The heuristic 'PDF_SEO_LINK_FARM' confirms the presence of a link farm, with the dominant host being 'onlygodcanjudgeus.com'. 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://onlygodcanjudgeus.com/uploads/1/3/0/5/130551298/15d865.pdf
    • http://realtalkrealty.com/uploads/1/3/0/6/130604449/010e17.pdf
    • http://sinfulrobot.com/uploads/1/3/0/6/130639720/pozalumiti.pdf
    • http://jcjamison.net/uploads/1/3/0/5/130551342/e207d02711445ac.pdf
    • http://fidospantry.org/uploads/1/3/0/4/130475994/soxuzesavejes.pdf
    • http://andaveycrea.com/uploads/1/3/0/6/130620348/9d031becfbec97b.pdf
    • http://millerpost.net/uploads/1/3/0/5/130539091/4332282.pdf
    • http://www.email.phirhoeta.org/uploads/1/3/0/8/130814858/refoxoren.pdf
    • http://pauleast.net/uploads/1/3/0/2/130288710/detasodufob_futezimifutu_soxobuxato_dasejadiwigad.pdf
    • http://thatsamoreviaggi.com/uploads/1/3/0/6/130622104/nulitubigav.pdf
    • http://umstud.com/uploads/1/3/0/4/130488295/fakuber-wikejamoremaka-nenowenekegok.pdf
    • http://thepurposefulmama.com/uploads/1/3/0/6/130621587/dosonabo.pdf
    • http://arty-lab.com/uploads/1/3/0/6/130621963/lukizubapekivi-tebaganosijeje-jebape-rivaxigapip.pdf
    • http://the-eco-nest.com/uploads/1/3/0/5/130545199/denebenitiza.pdf
    • http://fcflow.com/uploads/1/3/0/8/130813840/9130665.pdf
    • http://musicalmonday.org/uploads/1/3/0/3/130312934/lamubuzisedija.pdf
    • http://mineralintelligencecapital.com/uploads/1/3/0/4/130489051/4866600.pdf
    • http://cabinetmakersipswich.com.au/uploads/1/3/0/2/130270866/11e4ddf9.pdf
    • http://08bbf7.com/uploads/1/3/0/4/130476632/gunixinonuxumu.pdf
    • http://classicrockduo.com/uploads/1/3/0/5/130539300/71cee2ffe.pdf
    • http://beach24h.com/uploads/1/3/0/8/130814065/tiguvusaduxe-vuziwamope-dazikej-viwonobesile.pdf
    • http://alexandrajosutton.com/uploads/1/3/0/6/130605517/40ec189d6.pdf
    • http://brazilian-samba.com/uploads/1/3/0/6/130604728/safolirebol.pdf
    • http://ninjataps.com/uploads/1/3/0/6/130603836/nilezelo.pdf
    • http://oldmilltradingco.shop/uploads/1/3/0/8/130874126/5bb47fb.pdf
    • http://ybki5.bpmtc.com/uploads/1/3/0/5/130588822/130588822.html#html+video+tag+no+controls

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003f70.bin
6bfc42bb2ef2b92c0dfd6a6977988a03e6ff5238727c930f153226c634d7d3ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3F70 8720 bytes

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