Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf6386bcae0bbbd4…

MALICIOUS

PDF

41.6 KB Authoring application: Inkscape
MD5: 9d6f813809d297395bd95881e175d0c0 SHA-1: d8fe81259c8441d389938c884f4f42e23f953ce5 SHA-256: cf6386bcae0bbbd4af91137b676287752136a0a08f819ecd6ed2f5ef2fbad696
150 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule and ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0. The file contains a large number of embedded URLs pointing to other PDF documents hosted on various domains. This suggests a phishing or SEO spam campaign designed to redirect users to potentially malicious content or manipulate search engine rankings. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://www.teamrodriguezrentals.com/uploads/1/3/0/6/130604605/23e29e15742801.pdf
    • http://oalkadi.com/uploads/1/3/0/2/130291624/65b663cfcec30d.pdf
    • http://www.pr-wine.net/uploads/1/3/0/2/130288986/nomumalunoma.pdf
    • http://ovbeyondtherainbow.org/uploads/1/3/0/7/130739167/2320998.pdf
    • http://nikkiwetherellcounseling.com/uploads/1/3/0/6/130604780/xobuxosiralu.pdf
    • http://trainingcenterchurches.com/uploads/1/3/0/7/130776734/dd4830.pdf
    • http://gu-10led.com/uploads/1/3/0/7/130774965/e4690fb55.pdf
    • http://studio-meraki-official.com/uploads/1/3/0/9/130969469/xuzok.pdf
    • http://nghomeimprovment.com/uploads/1/3/0/6/130620217/rebepokaj.pdf
    • http://mariposa.social/uploads/1/3/0/5/130540176/juwavojareneka.pdf
    • http://choose2cruiseadventures.voyagerwebsites.com/uploads/1/3/0/8/130874522/130874522.html#hallelujah+piano+sheet+music+easy+with+letters

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004aca.bin
b59802ff46c1245a9fea85630b454296d78d5546374eef120466415286bccc99		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4ACA 9528 bytes

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