Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6ca1ec273a4d582…

MALICIOUS

PDF

41.7 KB Authoring application: LibreOffice Draw
MD5: 9dd8b08729e32bc941577fd44c77abff SHA-1: d0c8f39274c51508510e952b36b84deffea2bfae SHA-256: d6ca1ec273a4d58225b73d5a784576f172221fd1c97d9f142fd73bc99770f66c
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique commonly used in phishing campaigns to redirect users to malicious sites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the 'PDF_SEO_LINK_FARM' heuristic strongly indicate a phishing or malicious redirection intent. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, but the primary attack pattern is the distribution of numerous malicious links.

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://bostonlasertech.com/uploads/1/3/0/5/130588833/dozerutedof-manudorajiboke.pdf
    • http://wahkongtech.com/uploads/1/3/0/7/130738821/tetob.pdf
    • http://donthirejerks.com/uploads/1/3/0/6/130605335/keguketuwigugufuvuv.pdf
    • http://www.booksbyfmward.com/uploads/1/3/0/8/130814980/puporabakuwi_sepujopupe_bapafonodaja.pdf
    • http://nmation.org/uploads/1/3/0/7/130775382/xoradula.pdf
    • http://ninja-casino.net/uploads/1/3/0/7/130739723/7353364.pdf
    • http://normandyoptical.biz/uploads/1/3/0/6/130639647/dolane-munarafe-tufabega-gijizeli.pdf
    • http://lavidaverde-greenhouse-nursery.com/uploads/1/3/0/2/130271113/6082654.pdf
    • http://iconicstrategy.com/uploads/1/3/0/6/130621315/3787563.pdf
    • http://nurturingnursery.com/uploads/1/3/0/7/130739363/kekunorexuxili_mobamepumijabap.pdf
    • http://stgo2020.org/uploads/1/3/0/6/130639867/da6c28.pdf
    • http://radioevasi.com/uploads/1/3/0/5/130550890/damiwat_mexofazowote_lofuvus_vofuzexu.pdf
    • http://myphotopilot.com/uploads/1/3/0/4/130476873/2100450.pdf
    • http://www.calciomaestro.com/uploads/1/3/0/5/130589019/lexalonugu_fipebuzawoteg.pdf
    • http://coinspacespain.com/uploads/1/3/0/8/130813644/7722961.pdf
    • http://mta-sts.lilarose.org/uploads/1/3/0/4/130483542/texizu-dekopijugasa-lokafa-sajitu.pdf
    • http://thirdactx.com/uploads/1/3/0/5/130540714/vojadoziselujar_visudelewize_xukejonatug.pdf
    • http://modajewelry.shop/uploads/1/3/0/7/130775129/a9601f6e1642.pdf
    • http://joannegallop.com/uploads/1/3/0/7/130738555/fojubuz.pdf
    • http://www.theaveragejoescigarstore.com/uploads/1/3/0/6/130620430/nutage.pdf
    • http://ll4kf.slpny.com/uploads/1/3/0/6/130603704/130603704.html#acer+nitro+5+an515-43+review

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004043.bin
bd2dc47367a55099d2766aeba6d3d7213c219a98394e7abbc12c4c4d6de16406		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4043 9060 bytes

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