Malicious PDF — malware analysis report

Static analysis result for SHA-256 338e7a5e7b439b51…

MALICIOUS

PDF

40.5 KB Authoring application: OpenOffice Draw
MD5: 7ea90558b5e85d044515ae7b5f576b41 SHA-1: 2d15ee11fd6c9b879626148f64a777beb8e7b513 SHA-256: 338e7a5e7b439b5132989e14e9c71572604cee2c135c5e264985937ce91a94d1
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 external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or a distribution mechanism for further malicious content. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or traffic redirection intent. 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://leoeandhyde.com/uploads/1/3/0/4/130483770/24c81bca.pdf
    • http://sunbirdhouse.com/uploads/1/3/0/8/130874077/3066493.pdf
    • http://www.ketoandsweet.com/uploads/1/3/0/6/130621378/jarisewuvi.pdf
    • http://gok347.eliteedu.org/uploads/1/3/0/5/130588735/wonujazeb.pdf
    • http://roperpoolcareandrepair.com/uploads/1/3/0/7/130776502/pezoxetatemewuta.pdf
    • http://mijblaxby.com/uploads/1/3/0/2/130289424/vemazaz.pdf
    • http://readingstack.com/uploads/1/3/0/5/130539757/xakotuvutezi.pdf
    • http://www.jerelfernandez.com/uploads/1/3/0/6/130603976/15e1e397c8508f4.pdf
    • http://detoxspray.net/uploads/1/3/0/6/130622075/xudasogavodebafa.pdf
    • http://moorestrom.com/uploads/1/3/0/6/130604757/kirivomok.pdf
    • http://www.jjosephandfamily.com/uploads/1/3/0/6/130605077/tadebizizevaw.pdf
    • http://morganvalleycandles.com/uploads/1/3/0/6/130620274/venegixokaputuvad.pdf
    • http://survivingmytwentysomethings.com/uploads/1/3/0/8/130814483/razisumu-tuxezizowagaro.pdf
    • http://trinityplantsale.com/uploads/1/3/0/5/130550848/5fb226343d5503e.pdf
    • http://energymywayessex.co.uk/uploads/1/3/0/6/130620297/barumajabozexiw.pdf
    • http://selenebasketsantagata.com/uploads/1/3/0/4/130489933/6807846.pdf
    • http://mytriplec-boutique.com/uploads/1/3/0/6/130639998/9511286.pdf
    • http://ohscheerandstunt.com/uploads/1/3/0/8/130813987/5310434.pdf
    • http://www.rebeccaj.org/uploads/1/3/0/5/130551619/bajux.pdf
    • http://tiantianboshishicai.br3h.com/uploads/1/3/0/7/130738819/130738819.html#cumulative+density+function+normal+distribution+calculator
    • http://moorestrom.c

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f91.bin
e0bf6ca93d7efdd530553ce0be94a4ad74e1d281bde468ea76ba8391d9d25faf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F91 3012 bytes
font_01_sfnt_off00003cfe.bin
26e34d11e8b80b337150ad272cb324469faea241c14d24dab0fde8ec50b7d59e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3CFE 8748 bytes

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