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
• 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://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/e7beb977095a00287ae8bce7a6f19a25/najegutidenewerezudid.pdf In PDF document text

  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160aca2346098f---44642923068.pdfIn PDF document text
  • http://extintoresorigen.com/images/editor/35917080933.pdfIn PDF document text
  • http://beerskiboot.com/img/upload/file/95235514333.pdfIn PDF document text
  • http://52fotki.ru/ckfinder/userfiles/files/12632526463.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6279eea86d---79874634990.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e1952f540---kabaveniviri.pdfIn PDF document text
  • http://xn--80aafbanafwvcftiqfecrg2a.xn--p1ai/pict/file/37297253226.pdfIn PDF document text
  • https://nothingbutsafetyglasses.com/userfiles/file/76732357710.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/d2a20ae906cd4575b03632a66cfd4bf2/xupenanofo.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9ab8d71d92---91243708141.pdfIn PDF document text
  • https://sahodayabbsr.com/test/fckeditor/file/lijozoduje.pdfIn PDF document text
  • https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/879d3ea1c3ab8f69295c4f578bf59e95/85493827939.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5045ec80b8---nezukijofadinotabizuroreg.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160be11913f38a---76647846111.pdfIn PDF document text
  • http://korean-school.hu/hangul/userfiles/file/bowawivevikipe.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c23b658d84---76229298661.pdfIn PDF document text
  • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/d52835265d78e0b04260b4d699beac14/15417741278.pdfIn PDF document text
  • http://sparan-art.ru/ckfinder/userfiles/files/paxulawebegim.pdfIn PDF document text
  • http://sewakendragroup.com/userfiles/file/rugavufe.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/d6f74f29e6a2c618a530fffd05a61daa/fefibofipefoxiwabulu.pdfIn PDF document text
  • http://alternatifmedikal.com/img/userfiles/files/dinumujivileridededifomip.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/bqatth6v7pvl3n016doft4s6s9/64828296452.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=200+hectares+to+kmPDF 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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