Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6451f59c342bbf6…

MALICIOUS

PDF

74.7 KB Authoring application: Adobe PDF Library 9.0
MD5: e2ec3178c62f388477b42edc8e0b1d4b SHA-1: 4aa24a9181c7835e7d34ea3b951094043387d5c3 SHA-256: e6451f59c342bbf670fc6ca90df9a85857c0b8516bd6b305be1d1efec8e67c82
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier strongly indicate malicious intent. The embedded links likely lead to further malicious content or phishing sites, as suggested by the URL structure and the heuristic's description.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://paparazziservices.com/uploads/1/3/0/5/130551041/temamosuxajorusewid.pdf
    • http://mamagetchip.com/uploads/1/3/0/6/130621552/pafuxosako-vebikemusop.pdf
    • http://mobile-tech24.com/uploads/1/3/0/2/130291588/7511751.pdf
    • http://www.onestopyachtcare.com/uploads/1/3/0/2/130292098/rotazetoxegi.pdf
    • http://amysbargainoutlet.com/uploads/1/3/0/4/130488398/7469435.pdf
    • http://1988ltb.com/uploads/1/3/0/8/130813395/nokipotagar.pdf
    • http://kubecon-demo.octarinesec.com/uploads/1/3/0/3/130324416/4401489.pdf
    • http://mentalnutritioncenter.com/uploads/1/3/0/6/130621547/1444663.pdf
    • http://bongbaskets.com/uploads/1/3/0/7/130739635/7d7fbf.pdf
    • http://highsolaris.com/uploads/1/3/0/4/130489175/fabazopo_savemiwu_wudexod.pdf
    • http://jasper-marianek.biz/uploads/1/3/0/8/130874143/3032542.pdf
    • http://pawz4acause.com/uploads/1/3/0/6/130604279/f3dd17cfb9.pdf
    • http://yearingreen.com/uploads/1/3/0/5/130590153/7021605.pdf
    • http://blackboxxtv.com/uploads/1/3/0/6/130621480/3453540.pdf
    • http://damngoodcoverage.com/uploads/1/3/0/5/130550712/f02d3ecb3c.pdf
    • http://www.cancercaremassage.co.uk/uploads/1/3/0/4/130476157/mofaz_jomodebedurusa_potep.pdf
    • http://stop-n-smelltheflowers.com/uploads/1/3/0/6/130621055/zinaxoxepibi-rawutajefal.pdf
    • http://www.hpzen.com/uploads/1/3/0/4/130483836/2894006.pdf
    • http://adaassurance.net/uploads/1/3/0/6/130639743/vukedi-vogunoja-wupew-norimovu.pdf
    • http://www.patriciasstyle.com/uploads/1/3/0/9/130969842/982d00d6e7f4.pdf
    • http://amandajmordecai.com/uploads/1/3/0/4/130436482/kopatumeb_zaxokozenodose.pdf
    • http://mtj7z.bpmtc.com/uploads/1/3/0/6/130604612/130604612.html#le+miserables+i+dreamed+a+dream

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012ad.bin
f7b65f6327fc213bc7f8cffb79d768d654482a4a8aa9a01ae74d6b67d69e5e5d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12AD 8980 bytes
font_01_sfnt_off0000a1aa.bin
87d1b6ff2b59853fa05ba0d5a2df59723ef146ad6b544d41de1905f1a1a4ab6f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA1AA 23860 bytes

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