Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad3693563a0e9e75…

MALICIOUS

PDF

67.3 KB Created: 2021-02-27 14:12:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 553e8623407c429dade476cecfbf473e SHA-1: d6fab591c38bb7aefde238122bf182a4c64fae19 SHA-256: ad3693563a0e9e759c0f5b0af7cb995baddb27d47e6766d78a5e915f38325746
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://fokemale.ru/wix?keyword=lines+of+symmetry+and+rotational+symmetry+worksheet+tes PDF link annotation
    • https://tivagirususu.weebly.com/uploads/1/3/5/3/135350390/3b0d4fc7.pdfIn PDF document text
    • http://momarivido.mypressonline.com/hp_laserjet_p3015_printer_factory_reset.pdfIn PDF document text
    • http://saxobupazes.sportsontheweb.net/rational_recovery_is_different_from_aa_in_that.pdfIn PDF document text
    • https://zegijavevezedoj.weebly.com/uploads/1/3/4/3/134309525/romipotajusi_fomugi_pidevoxulirarev.pdfIn PDF document text
    • https://nojilino.weebly.com/uploads/1/3/1/4/131407263/jetesaparedofen-pivufi-jebazax-sometiwunewa.pdfIn PDF document text
    • http://lebedugipul.mywebcommunity.org/how_to_set_a_timex_ironman.pdfIn PDF document text
    • https://cdn.sqhk.co/befozaxulot/ksggpFW/7762288205.pdfIn PDF document text
    • https://jewezuwexokuj.weebly.com/uploads/1/3/4/7/134717424/sumegezelodupup.pdfIn PDF document text
    • http://morasuxod.getenjoyment.net/simplehuman_foam_sensor_soap_pump_with_cartridge.pdfIn PDF document text
    • http://pozijuza.scienceontheweb.net/dimitilugifajiwebuvox.pdfIn PDF document text
    • https://wejumarokurefa.weebly.com/uploads/1/3/0/7/130776247/e41a1c68bc4.pdfIn PDF document text
    • https://cdn.sqhk.co/bofogarabu/6ihfrxK/walgreens_photo_puzzle_with_tin.pdfIn PDF document text
    • https://nifirasevaxo.weebly.com/uploads/1/3/4/7/134756957/9064927.pdfIn PDF document text
    • https://cdn.sqhk.co/bapisolel/ijzhb7L/52956760278.pdfIn PDF document text
    • https://nukubutoti.weebly.com/uploads/1/3/2/3/132302768/3060724.pdfIn PDF document text
    • https://tiwirekofer.weebly.com/uploads/1/3/5/3/135314588/55ce7d0.pdfIn PDF document text
    • http://laxeded.iblogger.org/12565330637.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tuwutexo.onlinewebshop.net/sword_coast_backgrounds.pdfIn PDF document text
    • http://diturasenupope.epizy.com/tamilrockers_telugu_arjun_reddy_movies.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_off0000cacf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCACF 5344 bytes
SHA-256: 0c293985919370f4adc6139dde35621523f1843a8959f755aeac8f5322a64f9f
font_01_sfnt_off0000dcea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCEA 10108 bytes
SHA-256: d08269de954209c3892b1ca0e5ddf24414ccc263adda9642057f62de544e12ca

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