Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2dddc8bd3a011b7…

MALICIOUS

PDF

79.1 KB Created: 2021-03-19 04:28:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 713e5c1ddbd38f636fae2b0ff6ba7e0b SHA-1: d002e94a0a7dea37b81f0ac024c6fca6f514ab9b SHA-256: e2dddc8bd3a011b7b7b2315a1573ed02ccd8059a0d9c3ace5b5b5e79cc1105f8
96 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document body contains text related to downloading 'Hotspot Shield', and an embedded URI points to a URL that also contains this search term, suggesting a phishing or malware distribution lure. No scripts were extracted, but the presence of embedded URLs and the overall detection indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://lozipotod.ru/wix?keyword=hotspot+shield+apk+free+download+for+windows+7
    • http://it50save.info/difference_between_left_handed_and_right_handed_flutejtgdq.pdf
    • https://cdn.sqhk.co/pugalaleluti/jghhiaa/kigonekutebetofisikepo.pdf
    • https://pasifoberili.weebly.com/uploads/1/3/4/8/134881239/mebatukirezozup.pdf
    • https://rarezeromodon.weebly.com/uploads/1/3/0/8/130874170/wuguxitupufawe-mizunilitoseta-tijitujo-tukazomi.pdf
    • http://saxobupazes.sportsontheweb.net/levopawumu.pdf
    • http://gimemuwet.mypressonline.com/how_to_change_code_safewatch_pro_3000.pdf
    • http://everydayy.fun/modelo_educativo_20198kop6.pdf
    • http://volosaty100.xyz/18127994431x3j5o.pdf
    • http://ziwewixowele.sportsontheweb.net/teacher_centered_approach_definition.pdf
    • https://cdn.sqhk.co/maxanogefo/UgehHzi/ottoman_wars_mod_apk_download.pdf
    • https://lexaxaverewazud.weebly.com/uploads/1/3/1/3/131381910/8060478.pdf
    • http://notdull-eng.online/547429445888omwu.pdf
    • http://wildboost.club/tevesalact41k.pdf
    • http://teagreen.space/tidewagemowaru9lnox.pdf
    • http://tosefabebiribow.scienceontheweb.net/74207452943.pdf
    • https://cdn.sqhk.co/tekemozuj/UGdGjeG/fopopejemosoniziwodofi.pdf
    • https://cdn.sqhk.co/dejuxafe/fjhjBjh/flying_bird_botanicals_discount_code.pdf
    • http://goodshopsales.xyz/97455159676ndk76.pdf
    • https://cdn.sqhk.co/nilesatu/SViJogg/marketing_action_plan_template_excel.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/19803033-5c7b-47e8-9554-80ae2688f395/31129200416.pdf
    • https://uploads.strikinglycdn.com/files/4daf0471-6ebc-4620-a0ec-9a095ba6f860/how_to_put_water_in_a_bissell_proheat_2x.pdf
    • https://uploads.strikinglycdn.com/files/27672ebe-363c-433f-b60b-92ecf869d92d/16663202194.pdf
    • https://uploads.strikinglycdn.com/files/557b8e48-a1d7-4c5c-8a32-6fb004cd68b1/the_blue_book_of_grammar_and_punctuation_vk.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f9a3.bin
f3dcbb9871cea4a81cf3de39951030b478cd0d8d56b06fd76ce771f202237de9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF9A3 5324 bytes
font_01_sfnt_off00010bd2.bin
b11b717a8c59812e259052af0910b04dcb5e3d6ecb523961eb41c70207501d85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10BD2 10192 bytes

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