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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://lapakunited.com/contents//files/18742871958.pdf In PDF document text

  • https://polytex.de/sites/default/files/67904633149.pdfIn PDF document text
  • http://nemeckystrakac.sk/editor_uploads/files/kiruvipadewod.pdfIn PDF document text
  • https://argentinaproduct.com/ckfinder/userfiles/files/13219108281.pdfIn PDF document text
  • http://webhenevents.com/clients/868374/File/67887867729.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e4b8b49ad9---40473010793.pdfIn PDF document text
  • http://agnieszkapawlik.com/userfiles/file/tezawino.pdfIn PDF document text
  • https://abctranslink.com/ckfinder/userfiles/files/jodozeziwinesizagif.pdfIn PDF document text
  • http://cuatudongsaigon.vn/uploads/files/52135758238.pdfIn PDF document text
  • http://totaldeliverancecathedralchurch.com/clients/2/22/22dae496a1749ae881e6bee195142b05/File/28565182250.pdfIn PDF document text
  • http://abwingsbuffalo.com/uploads/files/mekimemewofajosezibas.pdfIn PDF document text
  • http://cambridgekapurthala.com/damana/userfiles/file/mokemivokirobifib.pdfIn PDF document text
  • http://say-international.eu/userfiles/file/tasorojefufunikepido.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa56c9223b---99381388200.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/cm7q6oh0pkfl3u31hk041mcik3/35944441316.pdfIn PDF document text
  • http://eko-uklid.com/files/file/6316079404.pdfIn PDF document text
  • http://sieuthivatlieuhoanthien.com/upload/files/42155749656.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab7e1848b54---62809232540.pdfIn PDF document text
  • https://nazragame.com/calisma2/files/uploads/89204311956.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b4cb82b044a---68638465485.pdfIn PDF document text
  • http://alessandrobelleseveterinario.eu/userfiles/files/40813719232.pdfIn PDF document text
  • http://thienminhgroup.com/uploads/userfiles/file/8134255767.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=greenfield+mower+parts+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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