Malicious PDF — malware analysis report

Static analysis result for SHA-256 f86202e01ae6bea5…

MALICIOUS

PDF

37.1 KB Authoring application: QPDF
MD5: 9fe46e75b838da4fd661f059bbae73b0 SHA-1: 4c1697cc6cc8a3b0d004dba881dbd30742bac7e8 SHA-256: f86202e01ae6bea51dd69b5af29ca0fe4ed3510d74b8612025fc43518763b56d
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files hosted on various domains, indicative of a link farm. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the critical heuristic 'PDF_SEO_LINK_FARM' strongly suggest a malicious intent, likely to direct users to phishing sites or download further malware. The ML classifier also flagged this PDF with high confidence.

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://lunabuilders.net/uploads/1/3/0/7/130776684/tejena.pdf
    • http://paradiseonwheelz.com/uploads/1/3/0/3/130312912/sitadibuw.pdf
    • http://bordernomics.org/uploads/1/3/0/6/130639875/gotupagatedi.pdf
    • http://madewithlasers.net/uploads/1/3/0/4/130483811/d601489.pdf
    • http://awazetour.com/uploads/1/3/0/5/130539366/midujogabe-puwukakixisuji-sopegarusogamo.pdf
    • http://afterall-this.com/uploads/1/3/0/6/130604448/tonazu.pdf
    • http://www.oysterbay2050.com/uploads/1/3/0/6/130621401/3110733.pdf
    • http://dejesusholisticlaw.com/uploads/1/3/0/5/130588784/8126999.pdf
    • http://showboxapkdownload.info/uploads/1/3/0/6/130621523/5797115.pdf
    • http://questbusinesses.com/uploads/1/3/0/7/130776485/326323.pdf
    • http://cabaproject.com/uploads/1/3/0/4/130489185/1401753.pdf
    • http://brismakingchanges.com/uploads/1/3/0/3/130379307/nirumugigux.pdf
    • http://gemdes.space/uploads/1/3/0/2/130291624/aa2187.pdf
    • http://forexllc.biz/uploads/1/3/0/5/130551581/2473841.pdf
    • http://myfujingarts.com/uploads/1/3/0/5/130540493/9a188ae14.pdf
    • http://thetrainingcentre.org/uploads/1/3/0/4/130488197/678f6b.pdf
    • http://thinkingspot.com.au/uploads/1/3/0/2/130289748/44404ef.pdf
    • http://bermac.co.uk/uploads/1/3/0/7/130738740/c88b8.pdf
    • http://aandnlawn.com/uploads/1/3/0/7/130739068/kumepaporisujedo.pdf
    • http://michael-ortiz-design.com/uploads/1/3/0/5/130588501/fa7df8deaedd017.pdf
    • http://wesleyoverwindsor.com/uploads/1/3/0/5/130539792/97a1be5f.pdf
    • http://zuanshixianshangyule.br3h.com/uploads/1/3/0/2/130274263/130274263.html#what+is+participatory+monitoring+and+evaluation+of+a+project

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003191.bin
6a792bed43a320b7726ec37a797420a932246742743fc8936fb910eedee0258e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3191 7580 bytes

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