Malicious PDF — malware analysis report

Static analysis result for SHA-256 60fadeaaecaa97e4…

MALICIOUS

PDF

112.8 KB Created: 2021-02-11 23:47:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 320f3af79fad1d03867b60aafe92f40d SHA-1: b06553fb9d834cee9e5b1fd02791bfa24cec6622 SHA-256: 60fadeaaecaa97e474fa40b83cf453943b628a5354426bb4aa43173347614d59
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://crophysi.ru/wb?keyword=deductive%20reasoning%20logic%20and%20proof%20answers In PDF document text
    • http://crubr.space/54359514205e0wiy.pdfIn PDF document text
    • https://cdn.sqhk.co/divojimo/ijhijhs/fluid_wallpaper_iphone_x.pdfIn PDF document text
    • https://cdn.sqhk.co/lobinazema/Q5gds3M/cool_aesthetic_wallpapers_purple.pdfIn PDF document text
    • https://cdn.sqhk.co/leporolino/ejG6g7W/naxeex_superhero_game_play_online.pdfIn PDF document text
    • http://lngcliente.com/dota_2_mid_guide_20191lp2f.pdfIn PDF document text
    • http://kindraretterath.com/homophones_in_english_exercisescnquj.pdfIn PDF document text
    • https://cdn.sqhk.co/woledibiroju/heifFii/chickens_for_sale_craigslist_nashville.pdfIn PDF document text
    • https://cdn.sqhk.co/tibakekavero/jilqT7d/12933304571.pdfIn PDF document text
    • http://gebuhrenfrei-mein.com/desi_panchayat_2000gs6mj.pdfIn PDF document text
    • https://cdn.sqhk.co/lewivapawo/b6Uhdqt/jowajajenetupibekowim.pdfIn PDF document text
    • https://cdn.sqhk.co/baxijaxazixi/8LYKeGo/cruise_deals_2021_all_inclusive.pdfIn PDF document text
    • https://cdn.sqhk.co/kunagukojoxu/v2jdgjG/knives_ship_free_military_discount.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/bezegoluzose/vizoxoxukubonevanufana.pdfIn PDF document text
    • https://s3.amazonaws.com/sebunuzu/measuring_and_classifying_angles_worksheet_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/dumupa/caremark_prior_auth_form_for_adderall.pdfIn PDF document text
    • https://s3.amazonaws.com/ximupuv/vipebagafojatanogitu.pdfIn PDF document text
    • https://s3.amazonaws.com/fidefofudi/jegasagegozifet.pdfIn PDF document text
    • https://s3.amazonaws.com/xijalovelokolep/xewamigaboliwazaxema.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_off00017b42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17B42 5472 bytes
SHA-256: d8f9a5617a6aef454793bf99a0d16b0437f7f3dc1c10876a5faf78c249fbd6e7
font_01_sfnt_off00018e0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18E0C 12052 bytes
SHA-256: 908389205b6bf203ce4becf496a8626e7eeeb686d54ec43596eb84a9d4afb571

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