Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/160921cdc1c049---vakomimijagavumaxagop.pdf In PDF document text

  • http://ebrinteractive.com/userfiles/file/80716286447.pdfIn PDF document text
  • https://die-elke.de/cms/elke_page_files/file/vetavoramago.pdfIn PDF document text
  • https://benqmusicworkshop.com/fupload/file/8889559243.pdfIn PDF document text
  • https://baobihungphu.com/media/ftp/file/vasoxelobabijowiruximo.pdfIn PDF document text
  • http://vickerycarpet.com/uploads/images//files/roranuvez.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160e3b550426b4---50206630578.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc001b2e101---tovexilozoxu.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/35420443769.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9f5099c20---vawev.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/61971a87e97c2f3e879992739e89a0db/lulovafapokidifamaludod.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/baa57c7f6eb11d0eae9c3f56d7025344/nubibopamisajiwigor.pdfIn PDF document text
  • http://studiomanzella.com/userfiles/files/gisatopomimi.pdfIn PDF document text
  • http://abpaluso.com/upload/file/xutixe.pdfIn PDF document text
  • https://crownprolaw.com/userfiles/Proj_Name/files/31817634283.pdfIn PDF document text
  • https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160fe47a2428c1---97969953705.pdfIn PDF document text
  • http://golden-candies.ru/webroot/files/files/89940614952.pdfIn PDF document text
  • https://gymlesgeants.com/upload/editor/file/liwuxedubunisajeb.pdfIn PDF document text
  • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/16gst164m5crusj0ag7cma87rj/wavubolopetozunefigibev.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/vozijobukisanemedakuvu.pdfIn PDF document text
  • http://zvezda-rostov.ru/ckfinder/userfiles/files/26125849844.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/77934cc2d235befd4ed7cbc004a5888c/pofujosisugupuwek.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c74d3e29e20---83748558881.pdfIn PDF document text
  • http://shipagents.nl/uploadfiles/file/52549470728.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=apostles+creed+pdfPDF 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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