Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1ae4a980db321fa…

MALICIOUS

PDF

68.2 KB Created: 2021-03-09 07:54:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 68f284ac01d0c020db5e952a09a564f3 SHA-1: 43f3931a18a7ceb9971aa301085f734e41f5c61f SHA-256: e1ae4a980db321fa54701f0d1ee81c96ba172797c8d5bd65e593f407c0f2508e
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://xajibur.ru/award?keyword=anemia+minsa+2020+pdf PDF link annotation
    • https://cdn.sqhk.co/fedelubu/EgjlgdS/gun_fiend_zombies.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420230/normal_5fe7255f818f6.pdfIn PDF document text
    • http://maxitis.22web.org/30299306817.pdfIn PDF document text
    • http://pimidemo.iblogger.org/android_watch_faces_mickey_mouse.pdfIn PDF document text
    • http://nalomojup.22web.org/49904700426.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481062/normal_60465ad0168a7.pdfIn PDF document text
    • https://cdn.sqhk.co/wuzufoxo/eHIHAhj/xujopixobetinebe.pdfIn PDF document text
    • https://cdn.sqhk.co/jomonufo/N0giAbq/mega_photo_pro_android.pdfIn PDF document text
    • http://nitafefuxomod.22web.org/how_to_save_latex_as_mac.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388293/normal_5ffd42d7ea0d9.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/rimejiguvif/qu_es_inteligencia_emocional.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6b60bdcf-3512-4cfe-8a4f-2b85e7d54378/91485826836.pdfIn PDF document text
    • https://s3.amazonaws.com/lefemijip/amd_radeon_rx_580_8gb_driver.pdfIn PDF document text
    • https://s3.amazonaws.com/lusegokaves/greeting_card_template_publisher.pdfIn PDF document text
    • http://vubenotabajumem.epizy.com/what_does_yo_tambien_te_amo_mean.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1aee964e-101c-4b82-bd17-2af132c57e83/6269106215.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/84a5cf27-ef2b-4cb0-b674-408b6c4e21f4/simcity_4_save_cities_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/657adcf5-58ed-4730-855a-34bca32782b4/sunbeam_heated_blanket_keeps_flashing_red.pdfIn PDF document text
    • http://ribebipewafiwas.epizy.com/blank_clock_face_template.pdfIn PDF document text
    • http://vekifaxofezawe.epizy.com/adobe_after_effects_text_animation_presets.pdfIn PDF document text
    • http://doruxexim.epizy.com/aka_ft_burna_boy_baddest_mp4.pdfIn PDF document text
    • https://s3.amazonaws.com/kodipopujufipig/debtors_and_creditors_age_analysis_template.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0dc4aa2d-1cff-495e-ada5-d3433af0f253/49527550479.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ceca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCECA 5324 bytes
SHA-256: ff0a87c64669f77d3f793b55aec06ce3af2f4157d70e0e79017553a8389c46ae
font_01_sfnt_off0000e0d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0D8 10092 bytes
SHA-256: 0ef959fc238c6193f67dd55668cb6dc0a80f846c5285813f4762f8e9123dc9ed

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