Malicious PDF — malware analysis report

Static analysis result for SHA-256 12018915bdf197e7…

MALICIOUS

PDF

39.2 KB Authoring application: ImageMagick
MD5: 7d7bf4d590971ee3cbdbabff2d64ed7a SHA-1: bc5c242e627fc0591e60cb3fce14bc3ba163ddab SHA-256: 12018915bdf197e73945e93ea1c8906e9b1be4684dff66ef9136590e658c4359
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0 and a machine learning classifier. The primary heuristic indicates a PDF link farm with numerous external URLs, suggesting a phishing or SEO spam campaign. The embedded action within the PDF attempts to open multiple external PDF documents, likely to direct users to malicious content or phishing sites.

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://rutejade.mypublicwifi.ru/uploads/2020/01/28/4320880.pdf
    • http://tegiferi.ourverify.com/uploads/2020/01/29/5227617.pdf
    • http://kuhnimsc02.icu/uploads/2020/01/29/110be50666392b.pdf
    • http://mindbody-solutions.net/uploads/1/3/0/6/130639486/xojutesijekona.pdf
    • http://fabezeri.rttelekom.info/uploads/2020/01/27/sosirurewisaxi-disakumapa-gigutorokomo.pdf
    • http://bebrandconfident.live/uploads/1/3/0/6/130621960/tazepuvupak-kunidon.pdf
    • http://nstrajectory.org/uploads/1/3/0/2/130291555/vekeserikaxibalosowe.pdf
    • http://jabbottphoto.com/uploads/1/3/0/6/130639895/zifixumos.pdf
    • http://rachnayoga.com/uploads/1/3/0/5/130544091/lukazoxizugoru.pdf
    • http://miiasoey.com/uploads/1/3/0/4/130436218/moratuzidozodabita.pdf
    • http://thinkhappyvibehappy.com/uploads/1/3/0/4/130488179/jobakodevubuf.pdf
    • http://rowok.tamita-tami.pro/uploads/2020/01/29/xosiz-kegex-tasadegozoro.pdf
    • http://mrskramlsclass.com/uploads/1/3/0/5/130588686/wufukedojovuf_tezese.pdf
    • http://ethnikigrammi.gr/uploads/1/3/0/6/130604366/2652662.pdf
    • http://yes-bin-drin.com/uploads/1/3/0/6/130621732/lexepojujemuditid.pdf
    • http://nawabufa.klondike-gold.info/uploads/2020/01/28/4716432.pdf
    • http://counterboycott.org/uploads/1/3/0/4/130477252/130477252.html#the+haunting+in+connecticut+2009+online

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000014b5.bin
573b5331cc9bf8e06b6166fadb5c85808ce8eba9db43bc0bbfb7430961649d64		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14B5 8168 bytes

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