Malicious PDF — malware analysis report

Static analysis result for SHA-256 f4303dd0876704ba…

MALICIOUS

PDF

36.4 KB Authoring application: Adobe PDF Library 9.0
MD5: bf22d6ccd1530952e486d9716a03e567 SHA-1: 9ddc3f48192ea658a9c2f0faf04f3570552ef117 SHA-256: f4303dd0876704ba5d4fa2713baec8e8f26e3e1abcc0b59744c500ea0a308c7f
150 Risk Score

Malware Insights

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

The PDF document was flagged by multiple heuristics, including a critical finding for a link farm and ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The presence of numerous external PDF links strongly suggests a phishing or malware distribution attempt. The document body contains garbled text, indicating it is not intended for legitimate user interaction.

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://michaeldietze.net/uploads/1/3/0/3/130312944/98f2c.pdf
    • http://playpass.net/uploads/1/3/0/6/130604414/faxuvexoji.pdf
    • http://barriebasketball.com/uploads/1/3/0/6/130639655/bd7a1055.pdf
    • http://www.carlyculver.com/uploads/1/3/0/4/130483805/46de4e22dc.pdf
    • http://webdisk.lucystarleather.com/uploads/1/3/0/6/130604939/guxozolixasowem-wevazunekibo.pdf
    • http://10iramistakes.com/uploads/1/3/0/6/130604675/dd2007542c71d7f.pdf
    • http://elevitae.com/uploads/1/3/0/7/130739002/7700c8.pdf
    • http://andykoting.com/uploads/1/3/0/6/130620492/merajon.pdf
    • http://334northmission.com/uploads/1/3/0/5/130540072/liramid_rawoko_nerenovazita_lamedu.pdf
    • http://movingcompanyokc.com/uploads/1/3/0/4/130436188/2790618.pdf
    • http://3albab.net/uploads/1/3/0/4/130435596/12d5136b906517.pdf
    • http://actilearn.com/uploads/1/3/0/7/130738870/nadibuso.pdf
    • http://ithinkevents.com/uploads/1/3/0/6/130605255/4557159.pdf
    • http://bucksnortnrunclayworks.com/uploads/1/3/0/6/130621689/65e95fce603a.pdf
    • http://racje.slpny.com/uploads/1/3/0/6/130639750/130639750.html#the+legend+of+zelda+ocarina+of+time+3d+gerudo+training+ground

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000339a.bin
cf638d43a5c946a4b600e4a10ba96f57f58de78646b298178071895ca37bfaea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x339A 8208 bytes

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