Malicious PDF — malware analysis report

Static analysis result for SHA-256 01cd5330115621b4…

MALICIOUS

PDF

72.8 KB Created: 2021-03-08 21:23:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 2645421bdf071956dfcc529c9aac2b67 SHA-1: bff9f5ece86083feb8d921d3a466d9debf1dbecd SHA-256: 01cd5330115621b415db8adc984813839869863d7032fa75315ee0677a2bf480
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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://resalured.ru/award?keyword=cello+sheet+music+pdf+free PDF link annotation
    • https://cdn.sqhk.co/pasojixaju/fgcjghi/lawuwebolagovef.pdfIn PDF document text
    • http://4escam-bot.online/pocket_ref_app9bbt4.pdfIn PDF document text
    • http://sberbank.services/nadan_pattukal_malayalam_mp3_free_download33br2.pdfIn PDF document text
    • http://siwupezomejen.getenjoyment.net/zevarare.pdfIn PDF document text
    • http://lnstagram-helping.live/dorian_gray_2009_where_to_watcht6xqf.pdfIn PDF document text
    • http://mmmmmme.space/1_2_emt_bender_guideomojo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384150/normal_5fe8b1de584db.pdfIn PDF document text
    • http://idealica-ordina.site/3234270263p7nef.pdfIn PDF document text
    • http://kekisire.22web.org/addicted_2014_full_movie_720p.pdfIn PDF document text
    • https://cdn.sqhk.co/dowusutitozi/7jh8SVa/quiz_planet_game_on_facebook.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4488133/normal_5ff21bbbd25df.pdfIn PDF document text
    • http://zumanidoxup.medianewsonline.com/sawagefotozujive.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4474192/normal_5fedc470700b6.pdfIn PDF document text
    • http://sebevifa.getenjoyment.net/8993046092.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kanisal.epizy.com/couple_wallpaper_for_android_phone.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e386f48e-60e7-4d66-a8bf-21907ea87536/13277497004.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7533dfb6-8611-4d6e-8100-bade137c12b4/93605788373.pdfIn PDF document text
    • http://merofis.epizy.com/rowabewelelekunivifizik.pdfIn PDF document text
    • http://noxofovamoz.epizy.com/13742667985.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dd69e471-ac12-4702-813a-f177fa306dc7/jizatoweg.pdfIn PDF document text
    • http://jezawirigi.epizy.com/monster_manual_3.5_free_download.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_off0000e17c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE17C 5092 bytes
SHA-256: 5d0a74cafd0105d33a159c6db96d6d22de5ba1c7bec127b1aac61a83c196e301
font_01_sfnt_off0000f2a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2A1 10412 bytes
SHA-256: 84db1931ba8d73e3a4ee2211dcf6e5a84a528c70360f6785c60cfaaaad9438dd

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