Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e41cb87a70c4b29…

MALICIOUS

PDF

36.3 KB Authoring application: OpenOffice Draw
MD5: 49142f675461e2fc1cddf04c50e19d7c SHA-1: 502a6e3de10f575465cdf4780016847d3d36de89 SHA-256: 0e41cb87a70c4b293888537266d4b52ff72af67e6d860c08f1627ff58893c652
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics, including a critical finding for a mass external PDF link farm. The embedded URLs likely lead to phishing pages or further malware downloads. The ML classifier and ClamAV detection strongly indicate malicious intent.

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://nabilaq.com/uploads/1/3/0/3/130312965/pekagedav-nixuxixevov-sozugofar.pdf
    • http://thelordswriter.com/uploads/1/3/0/6/130621094/c3ed37ec9a6.pdf
    • http://obsal.net/uploads/1/3/0/5/130588861/148ea29.pdf
    • http://imyd.com/uploads/1/3/0/3/130379474/3484598.pdf
    • http://davidology.us/uploads/1/3/0/6/130604348/2861417.pdf
    • http://the-larsens.net/uploads/1/3/0/8/130814459/1854648.pdf
    • http://curiosityandwonder.org/uploads/1/3/0/7/130776702/rupoliwiz-kukonuvivu-suvoxedufef-zoxipibimimotuz.pdf
    • http://dasschlagzeug.com/uploads/1/3/0/7/130738555/f4dc608d69bf.pdf
    • http://kokopellikikosandpackgoats.com/uploads/1/3/0/7/130739016/9345686.pdf
    • http://bristolberlinvintage.com/uploads/1/3/0/7/130740260/733405.pdf
    • http://aammf.bpmtc.com/uploads/1/3/0/5/130588810/130588810.html#letter+of+recommendation+for+former+coworker+examples

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003770.bin
a33ee097ec9bb71276fd3630322a79088927dc91510f88ae5bb3b13d350cd771		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3770 7988 bytes

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