Malicious PDF — malware analysis report

Static analysis result for SHA-256 9883f81eeb92bd59…

MALICIOUS

PDF

37.3 KB Authoring application: SWFTools
MD5: 1121b1ccf2dd87db8946c4371acb0e21 SHA-1: a2b5530276847c9d38574fe606c42fb1fc0de5c7 SHA-256: 9883f81eeb92bd5987c5a9666e67d213946432e55d1b7142f57891ed69847280
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF files hosted on various domains, indicative of a link farm or SEO spam campaign. The ClamAV detection and ML classifier strongly suggest malicious intent. The document body, though truncated, mentions creating a FedEx air waybill, which could be a lure for phishing or to direct users to malicious content.

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://livinglegendary.org/uploads/1/3/0/6/130622032/sulubuzugulux.pdf
    • http://terriguy.com/uploads/1/3/0/7/130775062/2218737.pdf
    • http://kfbconsultingllc.com/uploads/1/3/0/5/130588389/af47d203c6df.pdf
    • http://bubbcomics.com/uploads/1/3/0/2/130289301/3817272.pdf
    • http://nles-boutique.com/uploads/1/3/0/6/130639242/4710497.pdf
    • http://glutenfreefoodie.blog/uploads/1/3/0/2/130271161/9003666.pdf
    • http://mycdcfbc.com/uploads/1/3/0/6/130620803/6e9ef1e5a.pdf
    • http://mycusina.com/uploads/1/3/0/8/130873876/1869926.pdf
    • http://familyadventguide.com/uploads/1/3/0/8/130874391/360c8926.pdf
    • http://lifemustchange.com/uploads/1/3/0/6/130639622/7322587.pdf
    • http://thinkglobaly.com/uploads/1/3/0/6/130620921/beburepipu.pdf
    • http://nilakim.com/uploads/1/3/0/6/130620240/keluzobifonojivupa.pdf
    • http://www.capromote.co.uk/uploads/1/3/0/6/130621412/mipuliwutadu_kaminegetugu_duvafozosevula_xudisujosolasap.pdf
    • http://theyarnbender.com/uploads/1/3/0/3/130323186/pedoz.pdf
    • http://mylaraonline.com/uploads/1/3/0/6/130621815/mosonidirog.pdf
    • http://thenextbigthinginsports.net/uploads/1/3/0/7/130739488/6590838.pdf
    • http://southgatemidcentury.com/uploads/1/3/0/4/130483125/7385852.pdf
    • http://britishwhitecattleaustralia.com/uploads/1/3/0/6/130621075/wabaxudumip.pdf
    • http://lauryan.org/uploads/1/3/0/7/130739559/bewoka.pdf
    • http://7mcn4.slpny.com/uploads/1/3/0/4/130435807/130435807.html#how+do+i+create+a+fedex+air+waybill+online
    • http://thenextbigthingins

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032ee.bin
0638040d7775fc7e3a1f8fc4704c3b651659c536aeeb7c02564999720d1c97d1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x32EE 8100 bytes

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