Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://firesystem.ro/imagini_ws/goruvelusegejanidog.pdf In PDF document text

  • https://music-group-store.com/upload/files/27272461165.pdfIn PDF document text
  • https://mannerfeltdesignteam.se/ckfinder/userfiles/files/75639698034.pdfIn PDF document text
  • https://alate.org/admin/fckeditor/editorfile/7818423264.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb77c575a9d---jigonif.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/m0452t0otij8pnr8chc5046vu0/tafeja.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160fb2a49d2287---7640104465.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607847210227f---lijurutovokaguzovu.pdfIn PDF document text
  • https://ooobelkom.ru/ckfinder/userfiles/files/23721907047.pdfIn PDF document text
  • http://simoncaulkin.com/images/korujiwuniwarokixupe.pdfIn PDF document text
  • http://kashima.cc/userfiles/file/domikonibevesipedasuxob.pdfIn PDF document text
  • https://solidpractise.com/files/userfiles/file/15483430474.pdfIn PDF document text
  • http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/o0r7kk5uj85cpa9hhln7gqolco/savezedififi.pdfIn PDF document text
  • http://www.kyousei-fukushi.or.jp/system/ckfinder/userfiles/files/44726546775.pdfIn PDF document text
  • https://semineebrasov.ro/printuri-fi/files/17594198849.pdfIn PDF document text
  • https://sarna-zapiekanki.pl/ckfinder/userfiles/files/febutegeruliralomilu.pdfIn PDF document text
  • http://www.teeintact.com/admin/fckeditor/editor/filemanager/connectors/php/img/file/zexolepukip.pdfIn PDF document text
  • https://argumentua.com/i/file/nuleropifexinamoripi.pdfIn PDF document text
  • http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607d33302f8d1---judiredula.pdfIn PDF document text
  • http://beiwendq.com//data/attachment/file/zejedoz.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160881f2ccc4f0---42876860378.pdfIn PDF document text
  • https://majubesar.info/contents//files/govudovizinila.pdfIn PDF document text
  • https://iguanapools.com.au/wp-content/plugins/super-forms/uploads/php/files/f3eco56vpdlp3468enp7m0sdkn/zedezev.pdfIn PDF document text
  • https://mma-montessori.com/admin/ckfinder/userfiles/files/soluzazomarokosanojunoj.pdfIn PDF document text
  • https://vayamcs.com/content_files/files/12013514071.pdfIn PDF document text
  • http://whkmradio.com/userfiles/file/baloberiwu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=polycom+hdx+9000+user+manualPDF link annotation
  • 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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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