Malicious PDF — malware analysis report

Static analysis result for SHA-256 369fcf1c6f8357b4…

MALICIOUS

PDF

69.3 KB Created: 2021-03-04 14:55:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 4956c9908b19a0b83924f570de88e146 SHA-1: 8da7ac6dd7fb6124710c1f1d6bcaa2ca2cd7c514 SHA-256: 369fcf1c6f8357b4f1f3275186f32b56e189052c34c497c179dacd78f8f76b3e
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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=nutrisystem+shakes+in+stores PDF link annotation
    • http://reactivaperu-viabcpi.com/word_family_oxford_english_dictionaryykr32.pdfIn PDF document text
    • http://operationhomeplate.com/27315880939q8j9j.pdfIn PDF document text
    • https://cdn.sqhk.co/bomoxale/jhjdb2e/free_mp3_music_download_sites_for_pc.pdfIn PDF document text
    • http://mpvideo.org/how_many_dragon_ball_z_super_books_are_therey0zuy.pdfIn PDF document text
    • https://cdn.sqhk.co/zatovafer/dZQVAHQ/3d_guide_run_race_game.pdfIn PDF document text
    • http://4kuhd.me/bibugixofijokodadizqi70.pdfIn PDF document text
    • http://kushtanash.ru/niwifoxiwavejop2qazt.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417419/normal_60401ecbebd2a.pdfIn PDF document text
    • https://cdn.sqhk.co/fefowofuk/Bjhibif/modern_warfare_warzone_map_size.pdfIn PDF document text
    • http://about-igsupport.com/93831553949q3zru.pdfIn PDF document text
    • https://cdn.sqhk.co/pijajawopoji/dp9K9hg/wolf_howls_audio.pdfIn PDF document text
    • http://oneitstore.info/miniature_dachshund_puppies_for_sale_augylqx.pdfIn PDF document text
    • https://cdn.sqhk.co/firataxoworo/0jjjjia/mazes_and_monsters_movie_cast.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457279/normal_601d936cf2acf.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/a71efb97-3a5d-4390-9c1c-5bc0f2bcd8d5/what_is_american_folk_music.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/df32dda1-b103-4316-a96c-dd5c0727e17f/19064144406.pdfIn PDF document text
    • http://supijidexigoba.epizy.com/amba_shambhavi_devotional_songs_free.pdfIn PDF document text
    • http://ludoxijijux.rf.gd/63299330274.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0675cb9c-923b-4efb-b358-7bee2642a9ef/mikijukit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b0233743-91c7-4348-bdfc-4a9cd494a734/deadpool_comic_book_pictures.pdfIn PDF document text
    • http://kufutajov.epizy.com/57970351020.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f4f1cb09-659f-43a1-a7e9-f5737b2df07d/77622849521.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_off0000d336.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD336 5028 bytes
SHA-256: e6c8e3a07154b54037d22ffc6499e5fa272cbaf49acfb8e8697ca17ab3ea2296
font_01_sfnt_off0000e42a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE42A 10532 bytes
SHA-256: aae31d72647730e79ebbea4c6eb0a4ad545443681a71c1980fe99be7b5cf9069

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