Malicious PDF — malware analysis report

Static analysis result for SHA-256 5944425f00122099…

MALICIOUS

PDF

71.8 KB Created: 2021-03-11 08:13:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: e4230cb3c7295e64493be29aa706d947 SHA-1: 83d2fc43b510e6e7be31edb1c6436fadafbcadb0 SHA-256: 5944425f001220994d8824f27a7349fe27491a098830b9bcb1b4c1fc4dfb4e51
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://botokaw.ru/wix?keyword=soft+c+worksheets+for+2nd+grade PDF link annotation
    • https://cdn.sqhk.co/kupovite/pjjgggf/gsn_casino_new_slots_and_casino_games_pokies.pdfIn PDF document text
    • http://likedizar.medianewsonline.com/how_do_i_reset_my_yamaha_receiver_remote.pdfIn PDF document text
    • http://tozidak.mygamesonline.org/82902439504.pdfIn PDF document text
    • http://cardioactiveufficiale.site/rivusugugduo3t.pdfIn PDF document text
    • http://vasizazesunof.medianewsonline.com/12656998026.pdfIn PDF document text
    • http://gaximivotekole.mypressonline.com/bali_map_tourist.pdfIn PDF document text
    • http://kitixukizogutik.mygamesonline.org/ledejujad.pdfIn PDF document text
    • http://zutatowatipo.mywebcommunity.org/83608145234.pdfIn PDF document text
    • https://cdn.sqhk.co/jufulezamuko/bJt8phg/1gb_graphic_card_for_pc_free.pdfIn PDF document text
    • http://ozalupa.space/forever_war_taurans29bj9.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
    • http://tefetuzuzip.myartsonline.com/kosenijebarimakezo.pdfIn PDF document text
    • https://cfc603e6-7cd4-4c42-812b-9722deb80ae4.filesusr.com/ugd/0e9fc2_0a23f06e4c054fbfbb59ce6c167ece52.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/04efb3b7-e684-4334-b44c-dd5435fe3f0c/dirt_devil_canister_vacuum_bags_type_f.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f806e083-6e90-4b5b-b117-f6ff6ce88be6/42665897977.pdfIn PDF document text
    • http://bumurulepowele.myartsonline.com/employment_bank_annexure_iii_form.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dd3005e4-e60a-4ab1-a05b-cbe01e7c59a3/me_before_you_title_song.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/511517e1-fb50-43d2-bed0-8f0e2b43f8a3/vuwadisodudijebemimugumus.pdfIn PDF document text
    • https://f18b8dc1-3ce9-44bd-8712-01435d039869.filesusr.com/ugd/b97cba_65602fb0dde84d7e9badadfd9b70fd5b.pdf?index=trueIn PDF document text
    • https://128fc002-9ed4-4a8f-9a6b-83b43563a9ed.filesusr.com/ugd/6812d7_1c1371a6b5974235b22f9f1de808b485.pdf?index=trueIn PDF document text
    • https://c208ddc4-37ec-4cef-823d-79aeaa8cd68a.filesusr.com/ugd/d34c4d_8af2de5514da45ea8b0e83b95f4f147f.pdf?index=trueIn PDF document text
    • https://5c71d6b4-13b5-43a2-97a4-9a0eba4d0f4d.filesusr.com/ugd/0f1814_6f32b851cf0545dbab3c21b783fc28e9.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/543ce072-1b94-442d-99f3-6f678b53711c/vicks_warm_steam_vaporiser_review.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_off0000ce0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE0E 5384 bytes
SHA-256: a9ac180891d0559e84389289761e864003458f1b02c8979bbadc2e343f89d650
font_01_sfnt_off0000e055.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE055 10240 bytes
SHA-256: 03d864a21c3410d3a1bf38b173f722f706c948d3701885928151db01dd6c32d3
font_02_sfnt_off0001035e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1035E 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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