Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca1973849273cb3e…

MALICIOUS

PDF

31.2 KB Authoring application: Nitro PDF
MD5: f82f39db4c174acd5796bfa93f413d08 SHA-1: 8a77d934407907a2d0171ef1bcd28bbdbe988090 SHA-256: ca1973849273cb3e0d0c25943fdcea906c397f52ad40696268db659dc497b2f6
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a coordinated effort to distribute content or manipulate search engine results. The ClamAV detection and ML classifier further confirm the malicious nature of the document, likely related to phishing or malware distribution. No scripts were extracted from this sample.

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://remedleaf.com/uploads/1/3/0/5/130590029/davofuzamixob.pdf
    • http://edesignsforyou.com/uploads/1/3/0/4/130475879/padetixetizosa-donozopo-suxal.pdf
    • http://www.allseles.com/uploads/1/3/0/2/130291649/ralubimene.pdf
    • http://mitienditaluu.com/uploads/1/3/0/4/130483125/fedelemadeweg.pdf
    • http://laravportfolio.com/uploads/1/3/0/9/130969614/7781466.pdf
    • http://thomesbrosequipment.com/uploads/1/3/0/3/130379740/godebaxon.pdf
    • http://sprossforschools.com/uploads/1/3/0/2/130272387/nuzabugizakur.pdf
    • http://streetsverifiedstudios.com/uploads/1/3/0/5/130589320/839d5717e6.pdf
    • http://406techteacher.com/uploads/1/3/0/5/130550704/967be.pdf
    • http://rallyamericastore.com/uploads/1/3/0/7/130776003/449576a8b61.pdf
    • http://clarender.com/uploads/1/3/0/7/130775680/gezora.pdf
    • http://nobumarbella.devsite-1.com/uploads/1/3/0/4/130478205/130478205.html#bubba+gump+shrimp+nyc

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002168.bin
d3a743ea941b1c49e03cbeb82bc879576ca7362a8d534944a3dd0b8fe3b00968		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2168 8368 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.