Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd5d15dd1d2d2c85…

MALICIOUS

PDF

37.7 KB Authoring application: Nitro PDF
MD5: 94e688e823df19fff0a44654bfede158 SHA-1: 2c1c3681e3fdb299cdff07e485ab64d088c24b04 SHA-256: bd5d15dd1d2d2c85cf172fc04cd020dc3d357f3c2dc7e9f7ed7478017bba3eb4
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains. This behavior is indicative of SEO spam or a phishing campaign designed to drive traffic to malicious or deceptive content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious classification.

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://www.csobecancour-en.com/uploads/1/3/0/6/130621240/munokozu.pdf
    • http://alcohol-freepregnancymn.com/uploads/1/3/0/6/130639827/pudiludo.pdf
    • http://oliviadummer.com/uploads/1/3/0/2/130270869/3134048.pdf
    • http://dns.edzplace.net/uploads/1/3/0/5/130542924/puwosenawobipulawuf.pdf
    • http://findingmybeautiful.com/uploads/1/3/0/7/130775878/dilikuvi-viwiwekaduja-xuser-kikewejuw.pdf
    • http://adammarkeckman.com/uploads/1/3/0/3/130323250/linusezudofewiw-midokujim.pdf
    • http://peacecentre.com.au/uploads/1/3/0/4/130491322/7459292.pdf
    • http://ourworldisnotflat.com/uploads/1/3/0/5/130546024/1915435bc9592.pdf
    • http://warkworthkindergarten.org/uploads/1/3/0/6/130604313/zujadidipedud-filexazadenar-vexerixoru-karewagexoz.pdf
    • http://thescentedsheep.com/uploads/1/3/0/6/130604779/nigamavewu.pdf
    • http://wyndapp.com/uploads/1/3/0/4/130488701/simikixir.pdf
    • http://purplestore.org/uploads/1/3/0/3/130323324/mejoliwugedudun-lodovise.pdf
    • http://premiumadultdiapers.com/uploads/1/3/0/6/130621973/rivusijedimiri.pdf
    • http://sexymixedcouple.com/uploads/1/3/0/7/130739723/3419361.pdf
    • http://notarypublicincalifornia.com/uploads/1/3/0/8/130813548/5632069.pdf
    • http://psychotherapie57000.fr/uploads/1/3/0/4/130476607/56b7ff9f2cd7c.pdf
    • http://o2pud.slpny.com/uploads/1/3/0/5/130546538/130546538.html#adobe+flash+player+8+free+download+for+windows+7+64+bit
    • http://notarypublicincalifornia.com/uploads/1/3/0/8/1308135

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003566.bin
dd26deaeb02d0823a9b4ed62ad76f95c6b8bc4ff14d10326ebcb32b9be5a2ea4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3566 8656 bytes

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