Malicious PDF — malware analysis report

Static analysis result for SHA-256 08ad90911aa18613…

MALICIOUS

PDF

32.0 KB Authoring application: LibreOffice Draw
MD5: 30efcdf3030d010c219e030148448fc1 SHA-1: d423aa31214c4c03cd9580ba841f7b592d7e0fae SHA-256: 08ad90911aa18613c42b564988e03000dea3e1045fcfa58df9e47c4f2659fbf8
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded URLs pointing to external PDF documents hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution.

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 https://xenelode.weebly.com/uploads/1/3/0/6/130604824/gorumidowigiwa-mofiluxupu-nopajabelim-fimabinajutul.pdf
    • http://mojewaso.techindulgence.com/uploads/2020/01/29/8758578.pdf
    • http://kupo.beautygurunews.com/uploads/2020/01/28/sowemebisi-winerijepaniw-roweluzizex.pdf
    • https://rinezokevesexow.weebly.com/uploads/1/3/0/3/130312934/kowowopuxitoka.pdf
    • http://wixeju.girlsonvideo.store/uploads/2020/01/27/diwusumumidarom.pdf
    • http://0106shop03.fun/uploads/2020/01/28/zinetosup.pdf
    • https://buvazetogasefo.weebly.com/uploads/1/3/0/5/130539109/vomaranavuvomesilo.pdf
    • https://tezupeduw.weebly.com/uploads/1/3/0/3/130313307/8502324.pdf
    • http://homeandproperty.org/uploads/1/3/0/5/130545434/cf2e1.pdf
    • http://familiarizarse.info/uploads/2020/01/28/jixiwasazox.pdf
    • http://kylestevenanderson.com/uploads/1/3/0/5/130588614/wozamuzusozim.pdf
    • http://xelamit.ru/uploads/2020/01/29/konumateniguw.pdf
    • http://turningheadsdesign.com/uploads/1/3/0/2/130271042/lesizalopemosekomun.pdf
    • http://dariguve.monplezir.su/uploads/2020/01/27/39930d05e7c50e.pdf
    • http://creamzdorow.ru/uploads/2020/01/27/c6ca696d.pdf
    • http://rockyridgeacres.org/uploads/1/3/0/2/130272509/130272509.html#balada+de+los+dos+abuelos+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000148e.bin
d669663771876f210c7a8d9eeea5a9705be13ec17770212fec9c8c7238a1357e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x148E 8608 bytes

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