Malicious PDF — malware analysis report

Heuristics 8

• 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://zajinet.ru/123?utm_term=descargar+anonytun+pro+apk+2018 PDF link annotation

  • http://tryraisins.club/warufakawegupupe8dav2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387420/normal_6019cd1add48f.pdfIn PDF document text
  • http://proita.fun/catia_training_reportwe5rd.pdfIn PDF document text
  • http://picsonair.com/does_cards_against_humanity_have_a_hidden_card5nfxf.pdfIn PDF document text
  • http://gooddevice-online.com/72350775875197ch.pdfIn PDF document text
  • http://girlsbeach.space/socratic_seminar_guidelines_and_rubric3iigl.pdfIn PDF document text
  • http://top-salez.site/zomawewezurenakuxepim0llop.pdfIn PDF document text
  • http://starconflict-game.ru/42154595341vz9h0.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4495400/normal_5fc833c3e59e9.pdfIn PDF document text
  • http://help-verifiedbadgecenter.com/free_online_t-_shirt_order_formslc247.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://2b08c346-38d8-4763-b559-bb9d4fff2313.filesusr.com/ugd/40c9d6_207f101d43e049d59be9ff0a26f4bcf8.pdf?index=trueIn PDF document text
  • https://78fa80b2-8629-447b-ad63-53e91e8d4948.filesusr.com/ugd/8f02de_7df92333ace2496bb1bbbe9f80c3435d.pdf?index=trueIn PDF document text
  • https://8a89c5bc-485b-4808-980c-66c60e8d9908.filesusr.com/ugd/834936_14dc95f447aa4e72b9e8e5fbd54b6d29.pdf?index=trueIn PDF document text
  • https://4a1cfc67-5981-466d-a13b-75576fe7431f.filesusr.com/ugd/64e449_723216f1aaa041b3bf55cdf0da055b29.pdf?index=trueIn PDF document text
  • https://e5720c39-3c1c-4a52-9be9-509675281b5a.filesusr.com/ugd/0010c8_ac32bcefb84146deae61c13a2678dbb1.pdf?index=trueIn PDF document text
  • https://92fbd7ca-8480-4723-bb2c-19523f9dca15.filesusr.com/ugd/29946e_17c74869f2974e82abc8819438a3c80d.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/dowavelaxam/fizikiwiwutenanarubow.pdfIn PDF document text
  • https://e82ff0bd-cb1a-4782-8b92-0a0fb7657660.filesusr.com/ugd/d17951_cf214c8a329c408f9352b6e5f1a66f0b.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/vetamedisoz/waltz_of_love_ernesto_cortazar_sheet_music.pdfIn PDF document text
  • https://s3.amazonaws.com/wupagivoz/pdf_file_reader_for_java.pdfIn PDF document text
  • https://e6676b24-921d-4f57-8fca-beda98688f3c.filesusr.com/ugd/144d27_1db75fdae1b046b6a83bd75509d9597b.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/zulezov/what_does_baby_g_watch_mean.pdfIn PDF document text
  • https://s3.amazonaws.com/wibedubosateg/acidose_mtabolique_physiopathologie.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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