Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f222bb428ae4047…

MALICIOUS

PDF

51.1 KB Authoring application: Nitro PDF First seen: 2020-09-24
MD5: 826349be108d47ae4b555b35be6db973 SHA-1: 5105c2e95d3c1dd706a26ad5aeeb549aa44d9972 SHA-256: 0f222bb428ae4047e8461e99ef146d294a9b90e7e97fbc8732e32a941e5ad255
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified as a link farm, pointing to other PDF files. The document body, despite being heavily obfuscated, contains references to a 'navigation app' and includes several of these malicious URLs. This suggests the document is designed to redirect users to download further malicious content, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://lyncohomestyle.com/uploads/1/3/0/6/130620370/gifofakokizaweketer.pdf In PDF document text
    • http://copybyvan.com/uploads/1/3/0/6/130603721/4297875.pdfIn PDF document text
    • http://solebait.com/uploads/1/3/0/4/130488158/16c2c40976c36.pdfIn PDF document text
    • http://mariannewardart.com/uploads/1/3/0/4/130476317/ziwikowu.pdfIn PDF document text
    • http://angelidelsorriso.com/uploads/1/3/0/2/130270941/lapirefakobase.pdfIn PDF document text
    • http://mkayinthemountains.com/uploads/1/3/0/6/130604983/valojopiselule.pdfIn PDF document text
    • http://topendtour.com.au/uploads/1/3/0/6/130604552/megeratope.pdfIn PDF document text
    • http://neda.monsitebretagne.com/uploads/2020/01/29/rifepunomolalen_rotopada_wusiwed.pdfIn PDF document text
    • http://aimeekena.com/uploads/1/3/0/5/130539311/8856173.pdfIn PDF document text
    • http://thewealthsyndicate.net/uploads/1/3/0/3/130323175/4584801.pdfIn PDF document text
    • http://lugupegal.love-farma.net/uploads/2020/01/28/1550924.pdfIn PDF document text
    • http://thoughtandbelief.com/uploads/1/3/0/2/130270967/a96be.pdfIn PDF document text
    • http://pjbarkerlaw.com/uploads/1/3/0/6/130621432/1c4104a7893a.pdfIn PDF document text
    • http://pressurewashingtorrance.com/uploads/1/3/0/4/130476555/66da8f2805.pdfIn PDF document text
    • http://zaturulubo.sportrover.ru/uploads/2020/01/27/975252.pdfIn PDF document text
    • http://wikam.dvoryansky.ru/uploads/2020/01/28/gokarixip_nogim.pdfIn PDF document text
    • http://kylemeadowsperformance.com/uploads/1/3/0/5/130551728/polonaxoparesa-xezetutesu-jojuxoxiloten.pdfIn PDF document text
    • http://xolesilibo.rosustav.ru/uploads/2020/01/28/b88e9d20c.pdfIn PDF document text
    • http://mictkinofest.com/uploads/1/3/0/2/130272853/2097621.pdfIn PDF document text
    • http://lifi.myshop15.site/uploads/2020/01/27/wakolotaneroje.pdfIn PDF document text
    • http://kimesuj.balancebord.ru/uploads/2020/01/28/jedusaxipagem.pdfIn PDF document text
    • http://scope-for-growth.com/uploads/1/3/0/3/130379069/4028622.pdfIn PDF document text
    • http://cctfi.biz/uploads/2020/01/29/b4562e3fefab9.pdfIn PDF document text
    • http://karameika24.biz/uploads/2020/01/27/bc9038c84c0.pdfIn PDF document text
    • http://nobuhotelmarbella.devsite-1.com/uploads/1/3/0/6/130639098/130639098.html#navigation+app+for+iphone+freeIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000016ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16EC 8160 bytes
SHA-256: 2517d10a9810a9acebac212e68ac3dd15e5241fd89631fff91a82a3cdb869d47
font_01_sfnt_off00008143.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8143 16036 bytes
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63

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