Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1b58e5dfc915c36…

MALICIOUS

PDF

66.8 KB Created: 2021-04-02 01:50:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d65314031ba00c33b65241df1651b12 SHA-1: 747a61e7e8430047b5ea5ba1b221bd2a04e7c784 SHA-256: e1b58e5dfc915c36625d847206c7519c1a8589e61abc784f1b385955d0fbfc32
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ML classifiers and ClamAV, with a critical heuristic flagging it as a PDF phishing trojan. An external URI pointing to 'jumiwimov.ru' was extracted, which is highly suspicious given the context. The document body is heavily obfuscated, but the presence of an embedded URI suggests an attempt to redirect the user to a malicious site, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6669

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://jumiwimov.ru/award?keyword=obc+caste+form+pdf+rajasthan
    • https://cdn-cms.f-static.net/uploads/4367308/normal_6047507a49232.pdf
    • http://jogemijafiw.22web.org/honda_rebel_250_engine_upgrades.pdf
    • https://cdn.sqhk.co/lilavokolet/hV4U8ih/pocket_bully_for_sale_in_dallas.pdf
    • https://cdn-cms.f-static.net/uploads/4409248/normal_6064166172e57.pdf
    • https://static.s123-cdn-static.com/uploads/4384030/normal_5ff89cef28fc1.pdf
    • https://static.s123-cdn-static.com/uploads/4463279/normal_5ff2b330b5cba.pdf
    • https://cdn-cms.f-static.net/uploads/4465262/normal_602e0e5c477a7.pdf
    • http://vejobazure.22web.org/27646421235.pdf
    • http://fumerox.iblogger.org/ppt_templates_for_seminar_presentation_free.pdf
    • https://cdn.sqhk.co/mogowepuw/rjigRhi/parler_a_mon_pere_meaning_in_english.pdf
    • https://static.s123-cdn-static.com/uploads/4381105/normal_5fe4059da49dd.pdf
    • https://cdn.sqhk.co/pobumepova/ggic4hg/gedifukup.pdf
    • https://static.s123-cdn-static.com/uploads/4366316/normal_5fc9a3112678b.pdf
    • https://cdn.sqhk.co/fiseguvugele/a4t6GBZ/does_not_commute_apk_premium.pdf
    • https://static.s123-cdn-static.com/uploads/4501229/normal_5ff027e4c7d79.pdf
    • http://zelafagilu.iblogger.org/wevojetefereragile.pdf
    • http://felezebelitex.iblogger.org/brocade_6505_datasheet.pdf
    • http://zividovapajawuv.epizy.com/pamunedak.pdf
    • http://bususetut.epizy.com/falemu.pdf
    • http://mosetewugalivu.epizy.com/methods_of_acquiring_archival_materials.pdf
    • http://kepelagivon.rf.gd/rajesal.pdf
    • http://litomoli.epizy.com/64537931883.pdf
    • http://kokitivem.rf.gd/tapadalososeki.pdf
    • http://vevosewis.rf.gd/lorazepam_davis_plus.pdf

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