Malicious PDF — malware analysis report

Static analysis result for SHA-256 5114568f9b934b59…

MALICIOUS

PDF

48.8 KB Authoring application: LibreOffice Draw
MD5: 2d8b97c1b8a7b64a9347db420966a7e7 SHA-1: fed65402cfc39b08e20da9b0f660748f80c49ecd SHA-256: 5114568f9b934b590b6417b11c13c54ce662b415f10b0747fef87463dd826d8a
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious intent. The PDF_SEO_LINK_FARM heuristic identified a large number of embedded external links, suggesting a phishing or malware distribution scheme. The document body contains garbled text and references to 'Bhojpuri film 3gp', which appears to be a lure. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://morarafaf.weebly.com/uploads/1/3/0/5/130590224/bedufunuw-nefan.pdf
    • https://rovisara.weebly.com/uploads/1/3/0/5/130588751/9415d5cc613.pdf
    • http://kuke.shop-for-me.online/uploads/2020/01/28/1a66c675f7f.pdf
    • http://phijewelry.com/uploads/1/3/0/4/130490665/2648128.pdf
    • http://neotrainehr.com/uploads/1/3/0/5/130551581/lisenop.pdf
    • http://wanderlustdrone.com/uploads/1/3/0/5/130588370/pavuwogewizeluwol.pdf
    • http://rotifowev.uniquecostumeideas.net/uploads/2020/01/27/1274756.pdf
    • http://adambaybutt.com/uploads/1/3/0/6/130605036/netazif.pdf
    • http://gotu.angrybirds.tech/uploads/2020/01/28/496bd5b.pdf
    • http://bura.homka.online/uploads/2020/01/29/4182980.pdf
    • http://amanspath.org/uploads/1/3/0/6/130604446/9936602.pdf
    • http://superiordevcorp.com/uploads/1/3/0/5/130540507/fonituge.pdf
    • http://tuni.audiostart75.icu/uploads/2020/01/27/bowevifi.pdf
    • https://pegolerivosupe.weebly.com/uploads/1/3/0/5/130539120/mezizubuliwebuxadi.pdf
    • http://ponyexpressprints.com/uploads/1/3/0/4/130477829/serilakemurexil-merukejig-jazusevozib.pdf
    • http://whirlpoolservicecenter.net/uploads/1/3/0/4/130488696/27a0991064b29.pdf
    • http://toma.accessory-app.com/uploads/2020/01/29/9ae976b346be.pdf
    • http://wimak.majesticpin.site/uploads/2020/01/28/5083321.pdf
    • http://jobmanagementsoftware.net/uploads/1/3/0/4/130436127/8239858.pdf
    • http://gowomogaku.mchardcraft.icu/uploads/2020/01/27/zefifanaxubuwo_jofolerekima_nagigiv_latet.pdf
    • http://tbplaycomhynglgkfx.weebly.com/uploads/1/3/0/2/130288552/pidukobolefip.pdf
    • https://kozorone.weebly.com/uploads/1/3/0/4/130483300/7074031.pdf
    • http://jad.alianzaamericanadecolombia.com/uploads/2020/01/28/b8d4317.pdf
    • http://durop.svyazexpo-online.ru/uploads/2020/01/27/f0647c7.pdf
    • http://cleaningstgeorge.com/uploads/1/3/0/4/130483510/130483510.html#bhojpuri+film++3gp
    • http://durop.svyazexpo-online.ru/uploads/2020/01/27/f0647c7

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000173c.bin
cf1413666931dba453435802c39d74e3af2203bbbe685d4f434dae83f8741379
pdf-font-stream PDF embedded font (sfnt) at offset 0x173C 8312 bytes
font_01_sfnt_off00006f89.bin
c01a5205cb816d3a9c9c7803ae1c85270609d2311acee9c836e893a9307ad22d
pdf-font-stream PDF embedded font (sfnt) at offset 0x6F89 11292 bytes