Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f92eefa4efe4fc5…

MALICIOUS

PDF

71.6 KB Created: 2021-03-08 19:55:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 1c7ab0986769f648a6768ae7787492d3 SHA-1: f5a40e82103f55e51c51db48a28946ad0d30b793 SHA-256: 6f92eefa4efe4fc5279ed917183dd7ce623cd0967b474215e442171fb68bd9db
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://druttle.ru/award?keyword=addiction+procrastination+and+laziness+pdf+download PDF link annotation
    • http://meetsoda.pro/first_alert_smoke_and_carbon_monoxide_detector_reviewswjrjc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376404/normal_601000f9b3670.pdfIn PDF document text
    • https://cdn.sqhk.co/pimupigedu/iiighcY/yu_gi_oh_duel_links_download_mod_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/sixerusesebu/Whez96G/20250428946.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4480161/normal_5fec8b9d4ae59.pdfIn PDF document text
    • http://carbackseat.site/106130002350kihq.pdfIn PDF document text
    • https://cdn.sqhk.co/lemijexo/Jcgcn52/ark_survival_evolved_mobile_beginners_guide.pdfIn PDF document text
    • https://cdn.sqhk.co/woxiwovar/eihhhjb/diwujesukisobelofe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4445573/normal_6003dfe36786c.pdfIn PDF document text
    • http://barashik.space/guzutakoxuwogewoi4qm7.pdfIn PDF document text
    • https://cdn.sqhk.co/bifugudawesu/BwibnfG/photosynthesis_lab_report_introduction.pdfIn PDF document text
    • https://cdn.sqhk.co/begokaxawip/AIehhub/best_friends_forever_rescue_phone_number.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465935/normal_5ff8ddae3c89d.pdfIn PDF document text
    • http://nokuxitajorox.22web.org/world_cup_2019_video_song.pdfIn PDF document text
    • https://cdn.sqhk.co/xojelumegasi/N5jb3jh/infinite_painter_ipad_price.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4468553/normal_60370d481fd8d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/898eb423-0e87-4f0d-923e-a43521b74cfd/fujumaj.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a923f876-324c-4eb1-974c-052eca8a8276/rovuzetujanute.pdfIn PDF document text
    • http://wufalejopasedor.epizy.com/95691563854.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a759a9ac-0d6c-401f-a6d7-aab223900f55/lunorit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/47fb3754-6b72-4294-9065-24afd2823f0a/82612754904.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bd9d534a-79ea-4030-8426-eae01eea129d/how_is_north_korea.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_off0000dbdf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBDF 5280 bytes
SHA-256: d9c7ad68cef25a46e011c09cae248eb00bbf37e2e58889016f13afa9110e6794
font_01_sfnt_off0000edfe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDFE 10164 bytes
SHA-256: adbe7203bf9f4265593bd0867da12e415d7fcc8fde31c532a6264ba1fd644a5e

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