Malicious PDF — malware analysis report

Static analysis result for SHA-256 ffd68df8326660b7…

MALICIOUS

PDF

40.1 KB Authoring application: Solid Converter PDF
MD5: a1bea40af9b230622124bbd2a1dd6c1f SHA-1: 595ec7c62dce59ee1ce2f34c78012f5296149fdd SHA-256: ffd68df8326660b773c39e16d0fc68dd055bf8105be8a6de5b2e1e90ad6b326f
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output further indicate malicious intent. The embedded URLs likely lead to the download of further malicious content, such as other PDFs or executables, aiming to compromise the user's system.

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://vuvexa.silane-guard16.ru/uploads/2020/01/27/5819682.pdf
    • http://gupidumita.zarogkol.top/uploads/2020/01/29/nekufu_rigufavato.pdf
    • http://nusit.mundocoils.net/uploads/2020/01/28/2689356.pdf
    • http://invoicing.space/uploads/2020/01/27/3521185.pdf
    • http://theflorecerproject.com/uploads/1/3/0/4/130476344/sigafu.pdf
    • http://beboxiro.localdatemeet.club/uploads/2020/01/29/vokide.pdf
    • https://rozegotaxot.weebly.com/uploads/1/3/0/4/130436318/7396397.pdf
    • https://goxuvelogukod.weebly.com/uploads/1/3/0/5/130539255/puvusexorur-laguzemu-dajipafuguvid.pdf
    • https://wesekugu.weebly.com/uploads/1/3/0/5/130540699/sekis.pdf
    • https://nekumide.weebly.com/uploads/1/3/0/2/130273788/8459716.pdf
    • http://xufamunebi.ilikepizza.ru/uploads/2020/01/29/9540799.pdf
    • https://filasoxutatogiv.weebly.com/uploads/1/3/0/4/130478163/taxufikelivivabaped.pdf
    • http://kittywatchjapan.com/uploads/1/3/0/6/130621143/gajefodo.pdf
    • http://nononsensehomeinspection.com/uploads/1/3/0/6/130622012/b1be95ac9508.pdf
    • http://pawsitivepassing.com/uploads/1/3/0/6/130620483/wuxesamugi_kitoxipasasolu_fixumi_tusikasinuro.pdf
    • http://abdelbassitsenhadji.com/uploads/1/3/0/6/130604419/mevavupi_gejenojime.pdf
    • http://tof.stroy177.ru/uploads/2020/01/27/kilunorezox-kizemofed-wefutari-tuwebijadotuzi.pdf
    • http://milad.top-shop21.ru/uploads/2020/01/28/55bde01.pdf
    • http://wulafanuv.evacuator-perm.com/uploads/2020/01/29/de8c9178b1.pdf
    • http://mariya-kudriashova.com/uploads/2020/01/27/62bafe4842f0f.pdf
    • http://nicolleespinal.com/uploads/1/3/0/5/130550881/gedir_mawisalopadonis_gerotagudobo.pdf
    • http://ssunitedstatesreef.com/uploads/1/3/0/4/130476395/130476395.html#arm+cortex+m3+c+programming+tutorial+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001705.bin
43a65fb6ced97ec60a6768b464f505c2d1cc359cbaf93e45f03f9eaf60f9baac
pdf-font-stream PDF embedded font (sfnt) at offset 0x1705 9136 bytes