Malicious PDF — malware analysis report

Static analysis result for SHA-256 efcc037b52768f2f…

MALICIOUS

PDF

74.7 KB Created: 2021-02-13 15:57:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d048c1519c28bba8b6522b4a32ffe486 SHA-1: 93f391239635942e10ed1e74e45d389b94893be7 SHA-256: efcc037b52768f2f8b9204eba0c43534c988ef5a4639921489671ebff92cb93f
66 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 4

  • 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/wix?keyword=48+laws+of+power+epub+vk PDF link annotation
    • http://fitnesspack.net/bob_ong_56nonqn.pdfIn PDF document text
    • https://denelabi.weebly.com/uploads/1/3/4/1/134109088/33036dc337.pdfIn PDF document text
    • http://infokurs.design/30934752297ah5zm.pdfIn PDF document text
    • http://brumbum2.xyz/phd_thesis_acknowledgement_samplewa2py.pdfIn PDF document text
    • http://kufemotobenin.66ghz.com/fotugagemonudajijepet.pdfIn PDF document text
    • https://gunobapeve.weebly.com/uploads/1/3/4/7/134706327/ee1b57aeabc4.pdfIn PDF document text
    • https://cdn.sqhk.co/bajipugotox/2GipEJH/plague_inc_tips_prion_mega_brutal.pdfIn PDF document text
    • https://cdn.sqhk.co/tedogegez/fk8hic0/sega_vintage_collection_streets_of_rage_xbox_one.pdfIn PDF document text
    • https://cdn.sqhk.co/xenekifa/gyijh9x/smart_and_final_ad_paper.pdfIn PDF document text
    • http://frasqen.online/8865387330doa2j.pdfIn PDF document text
    • http://lojasamericanasbr.com/26901880332eas6z.pdfIn PDF document text
    • https://rolurenogilu.weebly.com/uploads/1/3/4/0/134096536/weduzovosoz.pdfIn PDF document text
    • http://virnet77.ru/superhero_ringtones_for_mobilezucya.pdfIn PDF document text
    • https://cdn.sqhk.co/mibemofega/ByjfheE/kaji_family_youtube_net_worth.pdfIn PDF document text
    • https://wixifaxofosa.weebly.com/uploads/1/3/1/3/131398582/parowi.pdfIn PDF document text
    • https://cdn.sqhk.co/livefivepa/hpjjHbw/ben_newsham_linkedin.pdfIn PDF document text
    • http://lg-copyright.com/lucky_lucky_lucky_me_sheet_musica9yzq.pdfIn PDF document text
    • https://cdn.sqhk.co/pejinijew/jhc7iiZ/xowebefurip.pdfIn PDF document text
    • https://sopetenoredu.weebly.com/uploads/1/3/5/3/135318191/jizovamak.pdfIn PDF document text
    • https://cdn.sqhk.co/jiguluzufuwa/esQhfjh/matrix_organizational_chart_template.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fiwemigusa.rf.gd/pwc_guidewire_testing_interview_questions.pdfIn PDF document text
    • http://firuxafuxu.rf.gd/applications_caisse_d_epargne_android.pdfIn PDF document text
    • http://besowotu.epizy.com/champions_league_2018_fixtures.pdfIn PDF document text
    • https://popularstyled.blogspot.com/server2.php?asin=1In 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_off0000e7a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7A3 5436 bytes
SHA-256: 8f3bfb90bd10abcb8fa655606faf9d90e71966bedb45070574c8f7acf193ec7e
font_01_sfnt_off0000fa51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA51 10392 bytes
SHA-256: a84e1f91e6e2759584c19b23be43e2d6ba370c6973d80d2d96e2c2264214bba0

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