Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e1b590783f8343…

MALICIOUS

PDF

67.8 KB Created: 2021-03-04 04:28:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: 39b9a70c2b7f93835e35b5d3d06edcfa SHA-1: 05d0b01299c697f11659af252a8fc7465e9f943e SHA-256: d3e1b590783f8343faa8cce717c4e9f61ad82daecccc7e43d0cc3d0926206e98
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://golowaki.ru/strik?utm_term=the+making+of+the+fittest+natural+selection+and+adaptation+video PDF link annotation
    • https://cdn.sqhk.co/nerurepaza/i41ih5c/switch_console_animal_crossing_australia.pdfIn PDF document text
    • https://cdn.sqhk.co/korebuxaguz/hg5hhib/clash_of_diamonds_match_3_jewel_games.pdfIn PDF document text
    • http://znatural.space/perico_ripiao_completa_en_espaol_laeae53.pdfIn PDF document text
    • https://cdn.sqhk.co/simikitivo/icjijf4/vajoponedovowiwine.pdfIn PDF document text
    • http://usesalle.xyz/612341809776lii5.pdfIn PDF document text
    • http://tryadasert.online/growtopia_hack_download_pc_2020opm12.pdfIn PDF document text
    • http://tehnotop.site/what_are_the_four_basic_operations_used_in_mathematics7bzjy.pdfIn PDF document text
    • https://cdn.sqhk.co/moserusoba/qigqZVB/supongo_in_spanish_to_english.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387050/normal_6011de3160ece.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4466673/normal_5ff378dad1f7c.pdfIn PDF document text
    • http://kpovli.ru/definition_of_power_in_international_relations85cuh.pdfIn PDF document text
    • http://autocredit.moscow/diet_guidelines_post_bariatric_surgeryexvqo.pdfIn PDF document text
    • https://cdn.sqhk.co/litalile/ejdV8he/drumsy_youtube_wiki.pdfIn PDF document text
    • http://befigter.xyz/why_does_my_canon_pixma_printer_print_blurrymfzoc.pdfIn PDF document text
    • https://cdn.sqhk.co/laripikiwafo/t7hdXYc/sutorixazunudu.pdfIn PDF document text
    • http://rat-red.space/396825029425no03.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482403/normal_6003f1373357d.pdfIn PDF document text
    • http://rafale.store/greedy_algorithm_questions_answerst9vrc.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000cb75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB75 5640 bytes
SHA-256: b191d727e475c543570a30f1687b31171f98dc7af9840eed97e554f08d952aa8
font_01_sfnt_off0000de85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE85 10304 bytes
SHA-256: 57e2c07e67a580fa3cff4c679d594795654264aa9e14a833cabeb1a868aa00dc