Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c7ec3c52b5c23c2…

MALICIOUS

PDF

39.9 KB Authoring application: OpenOffice.org
MD5: 1321447bc56375b6a6980adb051a0707 SHA-1: ccbe1559d01fef1641df48d1fc5108925a423533 SHA-256: 0c7ec3c52b5c23c2a412f57befafd35a477a071fcba35f1276f9b6f986cbd9d8
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, classifying it as Pdf.Phishing.TtraffRobotInstall. No scripts were extracted, but the sheer volume of linked PDFs suggests a coordinated effort to redirect users. The document body contains garbled text, indicating it is not intended for human consumption.

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://salanderlaw.com/uploads/1/3/0/3/130323538/128c83dd6cb8608.pdf
    • http://www.macsmilewide.com/uploads/1/3/0/2/130288540/tozamol.pdf
    • http://xinshijiyulechengxinyuhaoma.f18.ebkf.org/uploads/1/3/0/6/130604735/zasorotexokaf-bewogipagagila.pdf
    • http://www.rsmfleet.org/uploads/1/3/0/6/130604919/129211cef.pdf
    • http://mingoadventures.com/uploads/1/3/0/3/130313426/nezixijolu.pdf
    • http://vacavilleselfstorage.org/uploads/1/3/0/5/130551456/088e7.pdf
    • http://susiestreats.com/uploads/1/3/0/4/130489377/jitikiboba_jevenar.pdf
    • http://mesquitesitting.com/uploads/1/3/0/2/130288320/f787662fd1.pdf
    • http://mikessportspage.com/uploads/1/3/0/2/130272365/497f089764451e.pdf
    • http://montessori-lomas.com/uploads/1/3/0/6/130639510/miwalol.pdf
    • http://lobbyingandethics.com/uploads/1/3/0/7/130775387/90b7c257.pdf
    • http://shopuru.org/uploads/1/3/0/8/130874034/sipopokanixajixowipu.pdf
    • http://merakihandmades.com/uploads/1/3/0/3/130379634/61c44869.pdf
    • http://dirtysoles305.com/uploads/1/3/0/5/130588403/8280d2f.pdf
    • http://lindsay-hollie-2018.com/uploads/1/3/0/5/130543333/8376373.pdf
    • http://northwesterntaekwondo.com/uploads/1/3/0/4/130483213/mabuwoviwixoriv.pdf
    • http://kimgustafson.net/uploads/1/3/0/5/130588363/juralewuvemadib-pawepiv-butave-toxaki.pdf
    • http://vbgolfdeals.com/uploads/1/3/0/4/130476148/penojikatowemera.pdf
    • http://angelbat.com/uploads/1/3/0/7/130776504/dagitadixo.pdf
    • http://falconfoodmart.com/uploads/1/3/0/5/130539244/doxusumo.pdf
    • http://rorosenergyhealingcentre.com/uploads/1/3/0/7/130775768/vumisupat.pdf
    • http://quinnowen.com/uploads/1/3/0/5/130590462/6475043.pdf
    • http://katie-luna.com/uploads/1/3/0/8/130813037/lomazurasivafo_jewazazutad_tojibapesile.pdf
    • http://www.truebestself.com/uploads/1/3/0/3/130313150/130313150.html#brachial+plexus+injury+after+shoulder+dislocation

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000394f.bin
c3dab6fb472fee5e1915c12fd219e1031ceb00c7306bec5dbfa372487c21474b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x394F 8152 bytes

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