Malicious PDF — malware analysis report

Static analysis result for SHA-256 a3ade593d0ae624e…

MALICIOUS

PDF

41.1 KB Authoring application: SWFTools
MD5: 301f643e0433d88bebaaa50b484cff1b SHA-1: 427cbf0b1ecffd215425cd3289922ddc4a2c22ea SHA-256: a3ade593d0ae624ebafc9a4ff2212ab3b569647932d2d3462de26c294fc6f71f
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, a technique commonly used for SEO poisoning or to direct users to malicious websites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent. The primary attack pattern involves redirecting users to a compromised website via these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://jcarver-customknives.com/uploads/1/3/0/2/130272356/9000b4ab.pdf
    • http://bungalows-semidees.com/uploads/1/3/0/5/130551589/molopefimafirajixar.pdf
    • http://seasidevacations.net/uploads/1/3/0/7/130776147/pazes-febamezomasixe-xemuxip-fanasumakitifi.pdf
    • http://realtorsboard.com/uploads/1/3/0/5/130588659/depurejepamafo.pdf
    • http://abrprojectsaustralia.com.au/uploads/1/3/0/4/130435795/daxotubonugodezitam.pdf
    • http://x-statics.com/uploads/1/3/0/5/130551564/4669765.pdf
    • http://priscilajamison.com/uploads/1/3/0/4/130483770/nozowigatus_pogofasam_korijimapuv_xosepowatavi.pdf
    • http://agorabarcelona.org/uploads/1/3/0/2/130289411/bijorukujabixoz.pdf
    • http://nextlevelbizgrowth.com/uploads/1/3/0/6/130620804/6773246.pdf
    • http://specwellness.com/uploads/1/3/0/8/130813143/nusazunelur.pdf
    • http://thebedrockinitiative.org/uploads/1/3/0/2/130270845/gotalutemobekunove.pdf
    • http://neverenoughpink.com/uploads/1/3/0/6/130603865/1127805.pdf
    • http://remcofitness.com/uploads/1/3/0/5/130590763/gadifon.pdf
    • http://hostmaster.workatheightonline.co.uk/uploads/1/3/0/5/130544136/pifujik_fuwukevemufas.pdf
    • http://adoxian.com/uploads/1/3/0/7/130739336/3412976.pdf
    • http://drallison.com/uploads/1/3/0/5/130588594/742b8015fd.pdf
    • http://forthefunofit.us/uploads/1/3/0/5/130546971/wedafuzonovosut.pdf
    • http://heidilavon2020calendar.shop/uploads/1/3/0/3/130324370/vifub.pdf
    • http://cclmobile.org/uploads/1/3/0/5/130547078/satij_zuzevizusu_nabijosetebosu.pdf
    • http://www.pedrocarta.com/uploads/1/3/0/6/130604314/dugefijuwom.pdf
    • http://www.barbersbible.uk/uploads/1/3/0/8/130874164/486966.pdf
    • http://tcgsue.com/uploads/1/3/0/4/130489044/c7881.pdf
    • http://dazzeauxs.com/uploads/1/3/0/5/130550926/8211141.pdf
    • http://www.tenzon.org/uploads/1/3/0/6/130605357/6030620.pdf
    • http://nicolehannaphotography.com/uploads/1/3/0/2/130289731/823d58431f17.pdf
    • http://www.altoedc.com/uploads/1/3/0/4/130477351/130477351.html#consequentialist+and+deontologist
    • http://hostmaster.workatheightonline.co.uk/uploads/1

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030b0.bin
87fd6b1a35a64f5c2d30902eea89631a9c05d6b36ef70c6d0cee4d2ad867525e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x30B0 2596 bytes
font_01_sfnt_off00003c28.bin
585b823ec3c1f1533ecdd4579735d240ac54e642fb35ea6c1557825c78ec9a3b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3C28 8052 bytes

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