Malicious PDF — malware analysis report

Static analysis result for SHA-256 2769b1ad7f03078b…

MALICIOUS

PDF

73.1 KB Created: 2021-02-25 02:16:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: f23cb7b746e6cb0fde872a6b590b6ae6 SHA-1: 9a8c44b995b01ef93bbbdc3adf23407d8ea4e93d SHA-256: 2769b1ad7f03078b406ee5a19b6678b880bf85a29515d9169ff18f672466ba68
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://baarspo.ru/award?keyword=what+does+blood+in+toilet+bowl+look+like PDF link annotation
    • https://cdn.sqhk.co/wuvotalek/fhgfWha/doctors_care_sunset_blvd_west_columbia_sc.pdfIn PDF document text
    • https://cdn.sqhk.co/gepeduvo/QigT2XC/77139704680.pdfIn PDF document text
    • https://cdn.sqhk.co/nelufebo/iewrfoM/33025326250.pdfIn PDF document text
    • http://storefromit.pro/procedimiento_analitico_contabilidadhhcl7.pdfIn PDF document text
    • https://cdn.sqhk.co/tuseliwi/Z4jdkZO/classic_car_racing_games_ps4.pdfIn PDF document text
    • https://cdn.sqhk.co/xekemini/jibgi8M/3117240497.pdfIn PDF document text
    • https://cdn.sqhk.co/mopewedote/LCTK7ih/super_bunnyhop_podcast.pdfIn PDF document text
    • https://cdn.sqhk.co/jojikoxazew/jfibjic/shelter_in_place_california_bay_area.pdfIn PDF document text
    • https://cdn.sqhk.co/pulobegefuzi/eViiWhb/get_followers_app_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/vanewano/TLjjjce/market_garden_shandy_where_to_buy.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4419642/normal_5fca31fd7a08f.pdfIn PDF document text
    • http://trenolgia.buzz/75469846933nf54x.pdfIn PDF document text
    • https://cdn.sqhk.co/vumuwuxa/RQpSjhj/fapupat.pdfIn PDF document text
    • https://cdn.sqhk.co/nogorodizet/DRusgjn/hot_dog_long_haired_dachshund.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/bulujono/hp_elitebook_8570p_date_de_sortie.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d5ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5EA 4916 bytes
SHA-256: eaaf55ade415247fc529aa9b73158a3503dddea8da275f8e00f0a5ab7c5a513c
font_01_sfnt_off0000e6aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6AA 10112 bytes
SHA-256: d5b19b3730bff8f418ff4c591f5c29771b97d51bd9ee724eeac06a8daa428bf8
font_02_sfnt_off00010940.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10940 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3