Malicious PDF — malware analysis report

Static analysis result for SHA-256 958948c0b95744e4…

MALICIOUS

PDF

40.3 KB Authoring application: LibreOffice
MD5: 87c95c0eced6b4acddf68877dd5cb98a SHA-1: 054223d075c766ca00fe5b481722cde0c7e5c625 SHA-256: 958948c0b95744e47d03632390844a77e5be3b0c8e75692ccf034416cf0f0845
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution mechanism. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent, likely related to phishing or traffic redirection.

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://newhopeimageconsulting.org/uploads/1/3/0/8/130873860/3589121.pdf
    • http://vudumedia.net/uploads/1/3/0/5/130539820/f6f09e9a39f5.pdf
    • http://triosreadydentallab.com/uploads/1/3/0/6/130639995/9080822.pdf
    • http://everettgroupconsulting.com/uploads/1/3/0/6/130621406/rumetezumut_murozolapud_kinidetofedu.pdf
    • http://thebarkwagon.com/uploads/1/3/0/3/130324340/123794.pdf
    • http://beserendipitous.com/uploads/1/3/0/5/130538922/kemux-nudawuropavadez.pdf
    • http://pantiesbymail.com/uploads/1/3/0/2/130289648/29deae2900.pdf
    • http://tedstunner.com/uploads/1/3/0/7/130775354/wuzifulikizobar.pdf
    • http://jokebits.net/uploads/1/3/0/5/130542991/3fa3a7c4f87.pdf
    • http://bamshotgun.com/uploads/1/3/0/6/130621457/24173b816.pdf
    • http://xomoe.com/uploads/1/3/0/5/130550787/tasigegukimidito.pdf
    • http://teachergonehomeschoolmom.com/uploads/1/3/0/6/130621702/viloluwuraf.pdf
    • http://luxecakesbytwala.com/uploads/1/3/0/6/130620576/2669524.pdf
    • http://mytgob.com/uploads/1/3/0/7/130739152/jimeladozo_ridali_xigipafuk.pdf
    • http://jeanstandmeministries.com/uploads/1/3/0/5/130546244/2849728.pdf
    • http://scottmachfail.com/uploads/1/3/0/6/130603836/monudodikiju_tinolewubik_xojaxeviri_tekiwawuporegiv.pdf
    • http://groupejobinassurances.ca/uploads/1/3/0/7/130739028/rutitigaroziv_nawaku.pdf
    • http://gdkelectronics.com/uploads/1/3/0/4/130488631/2827047.pdf
    • http://dcexploration.org/uploads/1/3/0/6/130603741/zodezozute.pdf
    • http://delarosacreations.net/uploads/1/3/0/6/130622047/1107bc51.pdf
    • http://usdaum.one/uploads/1/3/0/6/130640181/juduzowawafajiw-wedubapivuzuk.pdf
    • http://doverfirstsda.com/uploads/1/3/0/5/130551155/1713b5210.pdf
    • http://sta-66-99-58-213.ladse.org/uploads/1/3/0/5/130551083/130551083.html#bw%2F4hana+administration+cockpit
    • http://doverfirstsda.com/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003c5b.bin
f650f110e1c8ff56ef5cf87d9cd25866608833f73850c6e35c334bde2633946c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3C5B 7848 bytes

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