Malicious PDF — malware analysis report

Static analysis result for SHA-256 89e51e9f630e1f61…

MALICIOUS

PDF

37.9 KB Authoring application: LibreOffice Draw
MD5: 9d3dc341caac3ca9fd408cdc462f3042 SHA-1: fa3a6f7628990bb7baa0cbde11744316ba68fd52 SHA-256: 89e51e9f630e1f614391e8411e8e436c4c639a1073e28082e87d64469ab5a6b6
160 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, suggesting a link farm designed to direct users to malicious content. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document's text prompts the user to install a browser extension or update, a common social-engineering tactic. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The primary URLs appear to be part of a coordinated effort to distribute further malicious PDFs.

Heuristics 4

  • 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
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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://metalgiftideasandmor.com/uploads/1/3/0/4/130476410/ruwuduxit_nezavinotufox_pejomepavute.pdf
    • http://modtone.net/uploads/1/3/0/2/130289410/06096d962.pdf
    • http://scandiblonde.com/uploads/1/3/0/5/130588905/9101364.pdf
    • http://dcaservicesllc.com/uploads/1/3/0/3/130324278/pezewifuwimol-mixeparow-wiguvejudame-vasaj.pdf
    • http://sugarvedelmiesmunkavedelmikft.com/uploads/1/3/0/3/130313484/godemejevagakupepoko.pdf
    • http://vukupauto.ru/uploads/1/3/0/7/130740187/5190057.pdf
    • http://www.dillonkeppel.com/uploads/1/3/0/2/130288768/a1952b07.pdf
    • http://hollandghanaplatform.net/uploads/1/3/0/6/130604040/porigit.pdf
    • http://badasscoinrings.com/uploads/1/3/0/7/130738798/fogareja_lufiwofuk.pdf
    • http://wholehealthdiscoverycenter.net/uploads/1/3/0/5/130543543/24145b1282e.pdf
    • http://minerobrasword.com/uploads/1/3/0/7/130738569/b0734217ad309.pdf
    • http://www.lauferrari.com/uploads/1/3/0/6/130639538/pogawu_nabefixomuf.pdf
    • http://oildale.news/uploads/1/3/0/5/130589047/dopukelakex.pdf
    • http://boshuster.com/uploads/1/3/0/8/130873771/1783ba1b.pdf
    • http://haiyi-carriageinnsf.devsite-1.com/uploads/1/3/0/5/130539414/130539414.html#pdf+reader+programs+free+download

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000039a0.bin
01b3216a9982ff6b5426211c4b9633857d6577017af91e353fa56ddb6cb0f725		 pdf-font-stream PDF embedded font (sfnt) at offset 0x39A0 8220 bytes

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