Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9009755eaff7fc5…

MALICIOUS

PDF

66.0 KB Created: 2021-03-09 04:37:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 8c93bbf230d8a37182af1b030c9d19f5 SHA-1: 5599b92b33367d3fa01d24b29f130ace88b89bdb SHA-256: e9009755eaff7fc5785f54cf455650037dcc770a34b276e0f50dc0c61eeaeccf
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://xezojetit.ru/wix?keyword=namso+apk+2019 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4383681/normal_601755794d143.pdfIn PDF document text
    • https://cdn.sqhk.co/tamaladafa/jhQprWv/luna_s_fate_mod_menu_apk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4464877/normal_5fd1d84babe38.pdfIn PDF document text
    • http://pujasaros.iblogger.org/94434681385.pdfIn PDF document text
    • https://cdn.sqhk.co/nijusukelok/XigCcxP/show_me_a_map_of_ukraine_in_europe.pdfIn PDF document text
    • http://sibasijiv.22web.org/blue_bossa_guitar_solo_tab.pdfIn PDF document text
    • https://cdn.sqhk.co/xuwadezab/gjhbmx6/rifujatij.pdfIn PDF document text
    • http://majijeniwadimu.22web.org/kerizajepetivebumuvonikeb.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/metubevozisul/boutonniere_deformity_in_rheumatoid_arthritis.pdfIn PDF document text
    • https://s3.amazonaws.com/vavabi/medical_answering_services_mileage_reimbursement.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c8cbd1e2-5c45-46e4-b140-f405af456a49/dys_f4_pro_v2_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/resisuna/canon_lide_120_scanner_driver.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2b807887-dc0c-4861-b748-dfe86d7aae5c/cs_lewis_screwtape_letters_synopsis.pdfIn PDF document text
    • https://s3.amazonaws.com/sugowubuf/applied_statistics_and_probability_for_engineers_7th_edition_slader.pdfIn PDF document text
    • https://s3.amazonaws.com/sixenogafopoj/panchatantra_stories_in_sanskrit_with_pictures.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3105fd7-d88a-4a24-9ab7-1db7ea0c97ce/what_happens_if_power_steering_pump_goes_bad.pdfIn PDF document text
    • http://mobotifiriw.epizy.com/wotapemofodo.pdfIn PDF document text
    • https://s3.amazonaws.com/babuxufarizuxur/smart_safe_app_android.pdfIn PDF document text
    • https://s3.amazonaws.com/belapawerezuju/chogada_tara_song_video_full_hd.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_off0000c678.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC678 5352 bytes
SHA-256: 932c71f584d0631c6d63d0211b626683a7a5e442ec16f99fd2966ae1188e0098
font_01_sfnt_off0000d8aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8AA 10184 bytes
SHA-256: 00a812d4dde181d91efccf4ee4c92689dfc2e9bd682ba0479c13d256cc064bdd

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