Malicious PDF — malware analysis report

Static analysis result for SHA-256 061eee0a6aec5846…

MALICIOUS

PDF

77.8 KB Authoring application: SWFTools
MD5: fc4d4470b84837ca98566987496ba5bf SHA-1: f73fa8f33be9e248fcd150682f37519f2ba1b0e2 SHA-256: 061eee0a6aec5846221897d3bba70f52bef2c5cd7900781020395019b5ae9484
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO spam or to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as phishing. While no scripts were directly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to potentially harmful external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://sixev.nebesskie.com/uploads/2020/01/28/seguvugim.pdf
    • http://richardanderzsi.com/uploads/1/3/0/5/130539735/mefanawatunoka.pdf
    • http://myfloridamediation.org/uploads/1/3/0/3/130324030/mipivurow-jozusapuzo-povewalejofo.pdf
    • http://duzokufa.lovely-eva.ru/uploads/2020/01/28/kedilebixunemenitifu.pdf
    • http://poti.massrage.ru/uploads/2020/01/28/pewed.pdf
    • http://pastmaster.org/uploads/1/3/0/2/130271061/65d1e0ce7.pdf
    • http://nickel-access.com/uploads/2020/01/28/rasugon.pdf
    • http://zatis.begettest14.fun/uploads/2020/01/27/kezesi.pdf
    • http://navajos.de/uploads/1/3/0/4/130483842/3c163.pdf
    • http://dishingitupgame.net/uploads/1/3/0/6/130621701/6887246.pdf
    • http://schulz-photography.com/uploads/1/3/0/6/130604348/1422391.pdf
    • http://activatinggraphics.org/uploads/1/3/0/6/130621460/860041.pdf
    • http://zosidi.bordadosymaschercross.com/uploads/2020/01/28/9057780.pdf
    • http://wazyshairsalon.com/uploads/1/3/0/5/130543855/fafudanituzuv.pdf
    • http://likenewelectronic.com/uploads/1/3/0/4/130475938/xajipubudafomimamen.pdf
    • http://monk3yandme.com/uploads/1/3/0/4/130483469/rasekibojomozeteg.pdf
    • http://childproofingcolorado.com/uploads/1/3/0/6/130605448/0de6d0bcdcd.pdf
    • http://drpattymain.com/uploads/1/3/0/6/130604758/jisowoxowuxuf-leluwewexube.pdf
    • http://speedkiteboard.com/uploads/1/3/0/6/130605440/zuparuzifosedur-vafosilo-damezulirugera-guziselasukexun.pdf
    • http://girasavawe.supermassive.agency/uploads/2020/01/29/30fd99d.pdf
    • http://reverane.wizzi.ru/uploads/2020/01/27/koseroromibe.pdf
    • http://boonecountyearlycollege.weebly.com/uploads/1/3/0/6/130604487/7919214.pdf
    • http://ndtasanantonio.org/uploads/1/3/0/2/130270907/130270907.html#minimalismo+libros+pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000179a.bin
9af853435aa7063626592df986b0bb883af8468e8641b7c04b035ffb08bf1281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x179A 9360 bytes
font_01_sfnt_off0000f6bc.bin
f89c0e0946aa0d1e48aa5356a2d31bc24f5b96ca1f2cb84330b25817f6444d93		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF6BC 2024 bytes

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