Malicious PDF — malware analysis report

Static analysis result for SHA-256 902066c3361ae8a9…

MALICIOUS

PDF

86.1 KB Created: 2021-03-08 18:48:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: e69fc3ea58b5f7d0ef93255a3b466e03 SHA-1: 2a2d457eb30a81e2e91e813b6aabb52ada438a3b SHA-256: 902066c3361ae8a972f9cf08207ba4f91cdbcab1db5a9c61ab8824362534f643
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://xezojetit.ru/award?keyword=biochemical+engineering+fundamentals+pdf PDF link annotation
    • https://cdn.sqhk.co/vibisidumes/fimiggf/36973956223.pdfIn PDF document text
    • http://kitafoged.medianewsonline.com/how_to_change_ott_light_bulb.pdfIn PDF document text
    • http://wivuperafuzo.mypressonline.com/perodijiwiledawaxerofobo.pdfIn PDF document text
    • http://tikanaw.mypressonline.com/rovudemowikenusonado.pdfIn PDF document text
    • https://cdn.sqhk.co/fabozesemi/c6hcibg/best_mp3_player_for_android_without_ads.pdfIn PDF document text
    • http://taxevidel.medianewsonline.com/1977_dodge_sportsman_rv_engine_specs.pdfIn PDF document text
    • http://lnstagramcopyrightservices.org/57894301187w2gwm.pdfIn PDF document text
    • http://tricitysikhs.com/mabupotetuboxurogisar05gt.pdfIn PDF document text
    • https://cdn.sqhk.co/noloxunipe/1eiigii/king_hearts_queen_of_spades.pdfIn PDF document text
    • https://cdn.sqhk.co/girewobo/igkhcJ3/xupanozifaginosunafikakex.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/zifilobesumafi/61804321944.pdfIn PDF document text
    • http://zuxokoberibaw.atwebpages.com/cyrano_de_bergerac_play_characters.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4643f51c-4bce-4b81-9c17-61a324d92c80/philips_respironics_remstar_plus_c-flex_parts.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ed2dcd29-56c4-4987-9ed7-a2c23056bca5/top_boy_season_2_netflix_release_date_usa.pdfIn PDF document text
    • https://s3.amazonaws.com/sojebelevenex/how_many_carbs_are_in_wendys_salads.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d1bd0257-fe85-40bc-857f-4e634a4e9b2e/fapusejeriralumogux.pdfIn PDF document text
    • http://nimanexobubibub.onlinewebshop.net/android_version_names_a_to_z.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f74d3fd2-7ddf-4607-9ad6-c53f4fae2f73/the_girl_with_the_dragon_tattoo_series_swedish.pdfIn PDF document text
    • https://s3.amazonaws.com/kukupunopedon/66747714957.pdfIn PDF document text
    • https://s3.amazonaws.com/lakadutof/writing_papers_in_the_biological_sciences_7th_edition_by_victoria_mcmillan.pdfIn PDF document text
    • http://bugenerefajujus.atwebpages.com/23008841006.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0d94b01f-cefc-4dd8-b80e-6907d7502d79/craftsman_lt1000_parts_belt.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_off0001060b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1060B 5500 bytes
SHA-256: d80bca651595cc46836d941acf6a91ffba2223c57862127b16d21462cd06b64f
font_01_sfnt_off0001188f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1188F 10476 bytes
SHA-256: d921b6d3b964fad1347c3fdd0edf43446e3f437c8421e0fb571d40ec8dc59989
font_02_sfnt_off00013c64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13C64 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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