Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e64c49bbe411f3e…

MALICIOUS

PDF

43.1 KB Created: 2020-06-13 03:43:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b3826d2a0b98f211d379fcac4e4c52c8 SHA-1: 99ad3e9b6c21f45b92399ed008f5bfb15f6d0d12 SHA-256: 2e64c49bbe411f3e7f4ef2bf8e6ff60b5a445fe5f53c1d3c6bd15d617ee80c48
92 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection tactic. The ML_NYX_PDF_MALICIOUS heuristic strongly indicates malicious intent. The primary attack pattern involves luring users through these links, potentially to download further malware or engage in phishing. No scripts were extracted from this sample.

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://74-123-78-57.mgwnet.com/uploads/1/3/0/6/130604378/130604378.html#droite+gradu%25C3%25A9e+en+dixi%25C3%25A8mes
    • http://thedateestate.com/uploads/1/3/0/2/130291350/4927875.pdf
    • http://mta-sts.mx.campingasseiceira.com/uploads/1/3/0/7/130738896/6dd01f162f9.pdf
    • http://untetherednow.com/uploads/1/3/1/8/131856402/mirerebirodebe.pdf
    • http://wasupport.net/uploads/1/3/0/7/130776104/risuguwesabiwe.pdf
    • http://root.estorage.com.hk/uploads/1/3/0/4/130477293/tukitividezezuf.pdf
    • http://goldenislesbathandbodycare.com/uploads/1/3/0/7/130775659/kuridomoridu_barifo.pdf
    • http://mta-sts.carterart.org/uploads/1/3/0/4/130475909/1f647914b20.pdf
    • http://papaspropwarehouse.com/uploads/1/3/1/1/131164475/a028e5f811.pdf
    • http://wgpbuyers.com/uploads/1/3/0/9/130969383/dezawajiduxiv_sobupux.pdf
    • http://mail.browbeginnings.com/uploads/1/3/0/8/130815381/mofekud.pdf
    • http://amalficapitalfunds.com/uploads/1/3/0/5/130539019/lulonede.pdf
    • http://gandersonhomes.com/uploads/1/3/0/8/130874021/mutexusidu.pdf
    • https://siwelapow.files.wordpress.com/2020/06/demiwinibawikamo.pdf
    • https://ziradodenu.files.wordpress.com/2020/06/83694343528.pdf
    • https://kalatojiza.files.wordpress.com/2020/06/95014977250.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000079b0.bin
09baf0693e62e2350ad7d5561c881a0758d4b8483edb8e6a9fec4a0f2f32481e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79B0 11624 bytes

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