Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0aeb22094a643b2…

MALICIOUS

PDF

96.8 KB Created: 2021-02-26 07:06:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: ab2cb9f2dcc970b0a508a62fc26e794b SHA-1: 51a767c207ebf797ccc55ae38e3f6d27bb07825f SHA-256: a0aeb22094a643b278d6e5524f810c6011816b6afb4fcacb5da8ccb9ee90ae33
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains numerous embedded URLs, many of which point to domains associated with link farms and disposable hosting, indicating a phishing or malicious redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to direct users to harmful content or further stages of an attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8732

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=are+hybrid+water+heaters+reliable PDF link annotation
    • http://1s.london/the_hangover_quotes_alan5irrb.pdfIn PDF document text
    • https://cdn.sqhk.co/wazilisiko/Icagigh/never_have_i_ever_dirty_questions_for_friends.pdfIn PDF document text
    • http://covidcapsule.world/19671969538cja51.pdfIn PDF document text
    • http://eagleaff.com/causas_de_la_deforestacion_en_guatemaladn0jq.pdfIn PDF document text
    • https://cdn.sqhk.co/sisadenev/a1ihphg/rolly_legs_poki.pdfIn PDF document text
    • http://rp-youtube.fun/foil_turning_3d_unlimited_moneywuvsu.pdfIn PDF document text
    • http://canonsburglake.org/lisuzekesoxz98kw.pdfIn PDF document text
    • http://purpless.vip/brahmastra_by_ajay_gulati_free_download0xahe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4455174/normal_602664bf06cca.pdfIn PDF document text
    • http://counterman.ru/castle_defence_2_apk_mod_all_characters_unlockedz29sa.pdfIn PDF document text

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