Malicious PDF — malware analysis report

Static analysis result for SHA-256 058748886bf16751…

MALICIOUS

PDF

62.7 KB Created: 2021-03-03 13:34:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: b706c2935ea46580835f34a3ac62cb22 SHA-1: bee4e031fb838c59ee3d74d8f69861146cd572b6 SHA-256: 058748886bf16751b654d592ecb0eff4a164f27e00a1fa9de1276437a517eca9
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9813

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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 https://maypoin.ru/award?keyword=what+is+tree+of+life+meaning+in+hindi PDF link annotation
    • https://cdn.sqhk.co/rutesawir/gcg4ie0/ramesevizireb.pdfIn PDF document text
    • http://werenntaq.online/hp_laserjet_p2015_wireless_setuppvgy2.pdfIn PDF document text
    • https://cdn.sqhk.co/gudijupimeb/gfMjj4G/barizagad.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485157/normal_5fc8ba4190a07.pdfIn PDF document text
    • http://fitit.space/arcade1up_pinball_uk9h34n.pdfIn PDF document text
    • http://mafuditovu.iblogger.org/jiraturiridabarivakelij.pdfIn PDF document text
    • http://lodixewovufosa.iblogger.org/98790553335.pdfIn PDF document text
    • https://cdn.sqhk.co/vumojakizaw/Djjigii/soccer_battle_pvp_football_mod_apk.pdfIn PDF document text
    • http://xidotamasaw.22web.org/jonurozoligekigolomugi.pdfIn PDF document text
    • http://alphabitx.com/how_long_is_paternity_leave_for_federal_employeesd8p3k.pdfIn PDF document text
    • http://centerverifybadge.com/vadibakoxudugivuxogawmpi.pdfIn PDF document text
    • http://morasuxod.getenjoyment.net/81225403066.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373297/normal_5fcda751ce98d.pdfIn PDF document text
    • http://salestore.pro/64627000115adh13.pdfIn PDF document text
    • http://zizodoroluxonaf.sportsontheweb.net/how_to_determine_which_solvent_to_use_in_recrystallization.pdfIn PDF document text
    • http://nevinidonet.mywebcommunity.org/margaritaville_machine_key_west.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4381737/normal_5fe56a1e402b8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413363/normal_5fc5aaecf27ca.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366335/normal_5fcaa4eaa746c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fataragoreb.myartsonline.com/47185958623.pdfIn PDF document text
    • http://kitomov.epizy.com/43750635770.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ec4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC4A 5332 bytes
SHA-256: e5de969823a991593a30073f4d2c45ae83f3450e7a902f0037030cfabdb39f43

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