Malicious PDF — malware analysis report

Static analysis result for SHA-256 128519da66786c8b…

MALICIOUS

PDF

48.4 KB Authoring application: Solid Converter PDF
MD5: 3b5435b9efea9b99e814182fedac452a SHA-1: 2885efe09a565dc4259bf648fcb18f725a31183c SHA-256: 128519da66786c8b532bcc4245e4709e8977892b90c7283bf15bb040b4cb6ada
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded external links, identified as a PDF link farm. This heuristic, combined with ML and ClamAV detections, strongly suggests a malicious intent to redirect users to potentially harmful content. The embedded URLs likely serve as a mechanism to distribute further malicious payloads or conduct phishing activities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://angelorayer.com/uploads/1/3/0/2/130288380/nimofis.pdf
    • http://www.sevephotography.com/uploads/1/3/0/5/130542934/b42869100f24.pdf
    • http://puriri-wiltshire.co.nz/uploads/1/3/0/6/130604653/d35fec5d02.pdf
    • http://beyondlimitlesspossibilities.com/uploads/1/3/0/6/130621588/822c6360413.pdf
    • http://jolyongray.net/uploads/1/3/0/6/130620614/25cc3ee.pdf
    • http://pomaroo.com/uploads/1/3/0/7/130775634/gasimesogux_jubiwikok_waxowemasenaz.pdf
    • http://www.printing-perfection.com/uploads/1/3/0/6/130621800/zawarapanimef.pdf
    • http://laurenaliceavery.com/uploads/1/3/0/7/130739836/jowatitanonozi.pdf
    • http://plantationpest.net/uploads/1/3/0/2/130273753/vezirawizosojowu.pdf
    • http://thegameadministration.org/uploads/1/3/0/6/130605178/nikojarexemusipokun.pdf
    • http://openparks.net/uploads/1/3/0/6/130621874/nibazajenive.pdf
    • http://scottrosenthalphoto.com/uploads/1/3/0/2/130287942/xabomevizuzapafilu.pdf
    • http://mr-castironcreations.com/uploads/1/3/0/6/130620618/tajekuwura.pdf
    • http://yauno.nl/uploads/1/3/0/2/130291785/jeguzijaze_patos.pdf
    • http://nfsparts.com/uploads/1/3/0/5/130539897/258565.pdf
    • http://thechopstickdiet.com/uploads/1/3/0/7/130740561/790729.pdf
    • http://demthreads.com/uploads/1/3/0/7/130775917/tamowo.pdf
    • http://zendla.com/uploads/1/3/0/5/130551907/lamobojina.pdf
    • http://romanticism55.com/uploads/1/3/0/4/130476043/6596152.pdf
    • http://foodbrandingagency.com/uploads/1/3/0/5/130589241/rodumomepulivon.pdf
    • http://chivor-emerald.com/uploads/1/3/0/2/130288523/vinajutudanup-masuzitelegawa-musamuvoduzu.pdf
    • http://ubezpieczenia-czestochowa.eu/uploads/1/3/0/2/130271051/d5321eaa6f1b1e1.pdf
    • http://www.magicalgourmet.com/uploads/1/3/0/3/130313613/130313613.html#causas+amenorrea+secundaria+sin+embarazo

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000f14.bin
185184ecbfeea2cf0ff4fea49e3e35ce973d4a205d5a27a6556b63783340fb0a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF14 9116 bytes

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