Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e3c6bd124e728d6…

MALICIOUS

PDF

91.9 KB Authoring application: Smallpdf Desktop
MD5: 091ef02581b8a05e04cea347d4a0082d SHA-1: 61e99b988f33dcb671adfd4f482e1a7aa1b3b5b6 SHA-256: 0e3c6bd124e728d6217c9c7b7a39904b0a625d5ee50bd9d8f61d6e233e01d17d
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier, and exhibits a large number of embedded external links. The heuristic 'PDF_SEO_LINK_FARM' indicates that the document contains a mass of external PDF links, with 31 identified in this instance. These links point to various domains, suggesting a coordinated effort to manipulate search engine results or distribute further malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9954

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://montanabridalshows.com/uploads/1/3/0/7/130739167/soguketelove.pdf
    • http://hulkimatum.net/uploads/1/3/0/3/130313410/26de06b869117a7.pdf
    • http://giftsandgratitude.com/uploads/1/3/0/4/130435556/c358679f.pdf
    • http://crossbraced.consulting/uploads/1/3/0/5/130551063/205489.pdf
    • http://acouturelife.com/uploads/1/3/0/5/130545097/448858.pdf
    • http://mercy-reigns.com/uploads/1/3/0/6/130621903/3965527.pdf
    • http://apiarium.eu/uploads/1/3/0/8/130815009/6818754.pdf
    • http://readytomexico.com/uploads/1/3/0/6/130621620/bekipa.pdf
    • http://attorneygarvey.com/uploads/1/3/0/6/130640006/a63ad188.pdf
    • http://mta-sts.mx.hoopsnakegraphics.com/uploads/1/3/0/5/130589452/zowidovebosex_todopodunated_wewukigofatiz.pdf
    • http://12stonesmoldcleaning.com/uploads/1/3/0/6/130620745/vezewegokak_tozesa_ratezekozasis_relaxi.pdf
    • http://trippyprints.art/uploads/1/3/0/6/130620670/e001ceef.pdf
    • http://top-in-china.com/uploads/1/3/0/7/130739878/5247953.pdf
    • http://www.blowdrysforacause.com/uploads/1/3/0/7/130775772/kofemajexinatov-kuniviko-pamexuraxomalif-lugatudekogu.pdf
    • http://www.truspinmedia.com/uploads/1/3/0/6/130639413/7953956.pdf
    • http://alysebonline.com/uploads/1/3/0/3/130323962/dde9d1ff617a.pdf
    • http://bakestrat.com/uploads/1/3/0/6/130640220/rotowozidapesasuwisa.pdf
    • http://thewellseasonedwoman.com/uploads/1/3/0/5/130540814/2890166.pdf
    • http://aletothechief.com/uploads/1/3/0/2/130289301/dizodof-wumerupizaxu.pdf
    • http://luvofit.com/uploads/1/3/0/3/130313037/9853212.pdf
    • http://michelgaymard.com/uploads/1/3/0/5/130551054/84dfd2937.pdf
    • http://insciteillinois.org/uploads/1/3/0/5/130551083/1ac81f3936fdbf2.pdf
    • http://pocdogs.org/uploads/1/3/0/6/130621751/abaed794be56a.pdf
    • http://patient-wisdom.net/uploads/1/3/0/2/130287542/5466efee1199d0.pdf
    • http://nobuhotelriyadh-fullsite.devsite-1.com/uploads/1/3/0/6/130621363/fenogutafa-gonajudifa.pdf
    • http://www.theovercomersblueprint.com/uploads/1/3/0/5/130589064/130589064.html#ali+baba+40+chor+ki+kahani
    • http://fedorahosted.org/lohit
    • https://savannah.gnu.org/projects/freefont/
    • http://www.gnu.org/licenses/
    • http://www.gnu.org/copyleft/gpl.html

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ce69.bin
1723f1ced37cc89d69e30f3df6281c5e5fb8989544fd4587aa75b00c91af2fd0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCE69 1388 bytes
font_01_sfnt_off0000d790.bin
fa167f2d45d2397e7a01a3eca4b81fcb803365bd21e0e706ae0ccd1d1f6c55b9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD790 6164 bytes
font_02_sfnt_off0000f14c.bin
9db28b72fed48531cce0dd89b1cb429ff0f79721f01e3fe2fcbffeac195bcd33		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF14C 19696 bytes

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