Malicious PDF — malware analysis report

Static analysis result for SHA-256 d04480346b09a832…

MALICIOUS

PDF

73.2 KB Created: 2021-03-04 18:03:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: b59c0d20b0027f87a39161d6ad2e4cc6 SHA-1: 0863d4535cf9d4c778cba16124f20e846b40b74d SHA-256: d04480346b09a832d913b188ee3697f0deb26584f030051b27f2439ad7ccb052
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://jacksth.ru/wix?keyword=calabash+chicken+recipe PDF link annotation
    • https://cdn.sqhk.co/rafopaluko/1C3Qja2/goat_simulator_multiplayer_ps4.pdfIn PDF document text
    • https://cdn.sqhk.co/parikozug/2hchjhh/78452280374.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465263/normal_5fe30d58269ba.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4381321/normal_5ff19150edb76.pdfIn PDF document text
    • https://cdn.sqhk.co/zapimafe/blhcfdX/regajejaxuk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487622/normal_60165b751fffc.pdfIn PDF document text
    • https://cdn.sqhk.co/kupujape/czYuE1D/lesisajubimabevajakobumi.pdfIn PDF document text
    • https://cdn.sqhk.co/tefozakozup/FAjfjjs/god_simulator_decision_game_best_choices.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409403/normal_60274cef77e51.pdfIn PDF document text
    • https://cdn.sqhk.co/tobijoge/iijgRgi/choice_of_games_llc_upcoming_releases_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/nebafori/csGzLFT/57421268094.pdfIn PDF document text
    • https://cdn.sqhk.co/murafabu/igiehcg/23866899866.pdfIn PDF document text
    • https://cdn.sqhk.co/bolukawet/ZheeidV/crazy_racing_videos.pdfIn PDF document text
    • https://cdn.sqhk.co/wesaduleb/k8heCgg/catan_universe_login_timeout.pdfIn PDF document text
    • https://cdn.sqhk.co/rajunakeb/PhjMycr/64191491975.pdfIn PDF document text
    • https://cdn.sqhk.co/kamupudoro/7ggfVsR/gps_speedometer_odometer_speed_mileage_tracker.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/kafises/hp_officejet_4630_new_ink_cartridge_problem.pdfIn PDF document text
    • https://s3.amazonaws.com/fadupazageraf/honeywell_series_9_wireless_portable_door_bell.pdfIn PDF document text
    • http://lunijikujapike.epizy.com/8947728631.pdfIn PDF document text
    • http://bemijeranokawu.epizy.com/are_morning_pages_worth_it.pdfIn PDF document text
    • http://dexifuv.epizy.com/business_communication_letter_samples.pdfIn PDF document text
    • https://s3.amazonaws.com/rivazixexuguri/titawudekikozenavimesokek.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_off0000e399.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE399 5132 bytes
SHA-256: 7554641a3fa7d3ba31929644dd76afbbf998c5d8ae0a0fd3fc05c1eaafd486dc
font_01_sfnt_off0000f4fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4FB 10080 bytes
SHA-256: 38f3c0d41fade0b3426bc15cac865933dbda3244239ed14e58797d3ef59374f8

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