Malicious PDF — malware analysis report

Static analysis result for SHA-256 21139bb47b7233d3…

MALICIOUS

PDF

39.4 KB Authoring application: OpenOffice Draw
MD5: 4c004690b29ae24a4fe9e05f8df49c15 SHA-1: 5bda65836317cd17563a3eccecd0295a3deb5365 SHA-256: 21139bb47b7233d3d69d98c31a158757ae020fcb760ac317c9c16c3ad575f73d
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains. This behavior is indicative of a link farm or a phishing campaign designed to drive traffic to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious classification. No scripts were extracted from this sample.

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://nicollaslittleshop.com/uploads/1/3/0/3/130313093/4bf83b423.pdf
    • http://jp.foreverinn.com.tw/uploads/1/3/0/2/130291449/tixowukeligu.pdf
    • http://zynall.com/uploads/1/3/0/4/130488696/kefolojelos-tisoxadita.pdf
    • http://www.westbranch.us/uploads/1/3/0/6/130639841/350e4.pdf
    • http://slick2shine.com/uploads/1/3/0/2/130272928/7717092.pdf
    • http://legoninjas.com/uploads/1/3/0/6/130620604/4952768.pdf
    • http://arkcityepiscopal.com/uploads/1/3/0/8/130814110/1184820.pdf
    • http://mail.testlers.com/uploads/1/3/0/6/130604294/eb9b374816159.pdf
    • http://nbaradioshow.com/uploads/1/3/0/8/130874416/6686973.pdf
    • http://andersandkasia.com/uploads/1/3/0/4/130476607/zozuzisatofavit.pdf
    • http://redafilia.com/uploads/1/3/0/6/130604529/b4bd2054f821c9.pdf
    • http://newagevalue.com/uploads/1/3/0/6/130620459/kafox-bafuzazixo-puwiforofukev.pdf
    • http://michellerosa.org/uploads/1/3/0/6/130603698/pokamubadesak.pdf
    • http://vliegendestoel.nl/uploads/1/3/0/2/130289662/8881d4b3f60.pdf
    • http://www.vakantiecotedazur.com/uploads/1/3/0/6/130604844/bb904fff41e022.pdf
    • http://foodtruckclassifieds.com/uploads/1/3/0/4/130478819/zusavi_nemifo.pdf
    • http://www.rickstowingandrecovery.com/uploads/1/3/0/7/130776737/b1d427f1.pdf
    • http://bandgphotography.net/uploads/1/3/0/4/130483993/6024012.pdf
    • http://namoidesigns.com/uploads/1/3/0/6/130604979/vuvovutugela.pdf
    • http://webdisk.gompou.co.za/uploads/1/3/0/7/130739238/fukedagizirar.pdf
    • http://mta-sts.mail.poolsofblessing.com/uploads/1/3/0/4/130435729/9a9ec2d71.pdf
    • http://memscf2019.sonomacountyforum.org/uploads/1/3/0/5/130543366/zopaxuxub.pdf
    • http://digital-aun.com/uploads/1/3/0/4/130476074/2428203.pdf
    • http://talkingtanzania.co.uk/uploads/1/3/0/5/130543107/2d6e2b571b.pdf
    • http://snalbins.com/uploads/1/3/0/4/130475918/fiwovibamemuzun.pdf
    • http://1pu5v.bpmtc.com/uploads/1/3/0/6/130620341/130620341.html#culinary+tours+in+jamaica
    • http://jp.foreverinn.com

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003504.bin
c0b79369c4ecc70722a2744e330c7080aa210bd3cc4bc2f153ba2da7ac68b4e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3504 8232 bytes

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