Malicious PDF — malware analysis report

Static analysis result for SHA-256 058cf6588eab2f1b…

MALICIOUS

PDF

44.7 KB Authoring application: Solid Converter PDF First seen: 2020-09-24
MD5: 88311e2aa1abbd76eb1c5dc8bd601fb9 SHA-1: 5d16b74baf44574adfa3ab4438815583d6752bde SHA-256: 058cf6588eab2f1b8bddf544d15adb5b82941a7a1a983914d7a724bcd0c8a5d1
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many of which point to other PDF files, suggesting a link farm designed to lure users into downloading potentially malicious content. The ClamAV detection and ML classifier further support its malicious nature. While no scripts were explicitly extracted, the structure and heuristic firings indicate a phishing or content-luring attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://kristenconley.com/uploads/1/3/0/9/130969406/zoxexojisisomifiti.pdf In PDF document text
    • http://juventastherapy.com/uploads/1/3/0/7/130739474/7335b8311.pdfIn PDF document text
    • http://mta-sts.mx.powhatanhousecleaning.com/uploads/1/3/0/6/130604687/8944447.pdfIn PDF document text
    • http://barbaraharveylaw.com/uploads/1/3/0/7/130739200/6150101.pdfIn PDF document text
    • http://rgbgrasstunes.com/uploads/1/3/0/4/130483413/nafakozegeru_kosuro_xolufojubi.pdfIn PDF document text
    • http://dkcoaches.com/uploads/1/3/0/2/130271078/jatiduxekejuj_depowiru_pefamap.pdfIn PDF document text
    • http://sqk.me/uploads/1/3/0/4/130483242/230b8af77dd3c79.pdfIn PDF document text
    • http://sahirsharma.com/uploads/1/3/0/7/130776122/eba8e.pdfIn PDF document text
    • http://vk-podarki.site/uploads/1/3/0/6/130604090/woboruzidixe_juvebamawuwox_mimux_maxumibujotupi.pdfIn PDF document text
    • http://mail.denverlimousine.com/uploads/1/3/0/9/130969311/sivowilita_lojisupodobosug_zowujuzurale.pdfIn PDF document text
    • http://www.burialgenius.com/uploads/1/3/0/4/130476632/ludorozometu_garamuw_nebinufamugebu_xepevikuwov.pdfIn PDF document text
    • http://appaguides.com/uploads/1/3/0/6/130640031/a79c37577f0a150.pdfIn PDF document text
    • http://webdisk.music4you.nl/uploads/1/3/0/6/130621406/bab5a5648e0d83.pdfIn PDF document text
    • http://jessthigpen.com/uploads/1/3/0/6/130605179/lopopil_nudora.pdfIn PDF document text
    • http://camping-graesselmuehle.de/uploads/1/3/0/5/130588942/3787320.pdfIn PDF document text
    • http://74-123-72-189.mgwnet.com/uploads/1/3/0/5/130588191/130588191.html#focus+life+science+grade+11+pdf+downloadIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://regionc.swe.org/uploads/1/3/0/7/130739147/38f939a19.pdfIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ff6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FF6 16036 bytes
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63
font_01_sfnt_off0000440d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x440D 2668 bytes
SHA-256: bb66d78edca8aa75a8db461931e44ad6eab12e4cd439df836d92d13c6ef6c22d
font_02_sfnt_off0000503f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x503F 8596 bytes
SHA-256: 8f84b8c10da6e680f5e9b49148c9bef608de4c5fb7808d1899a82245c35d60e3

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