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 http://ggmtc.net/userfiles/files/tijelarujixokikefoxepoluk.pdf In PDF document text

  • http://winso.tw/userfiles/file/52713265920.pdfIn PDF document text
  • http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095c561bd067---74971577696.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1aadb7a213---34369415504.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/49924774104.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/hvhk0h3o2qdldllibv29h28iem/pavunikoluvafisobifumu.pdfIn PDF document text
  • https://thepainter.asia/upload/files/49891678176.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/4a18e09f1e3954c62ebf36795711f899/69227777067.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/l7d1lpj5gqkd5r5bfcjum01k1e/69503373532.pdfIn PDF document text
  • https://huuphongplastic.vn/uploads/images/files/9454705105.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae47f87bb5a---ruvekurukej.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/636pdrd8vuv5cht44vav4uqec1/34794823426.pdfIn PDF document text
  • https://jasz-pap.hu/UserFiles/file/61916733368.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b52c7baac---38636081256.pdfIn PDF document text
  • http://cp-tournament.org/ckfinder/userfiles/files/96696158366.pdfIn PDF document text
  • http://sattamatkapatti.com/userfiles/file/89433005730.pdfIn PDF document text
  • https://hotellemaritime.com/hotel/upload/files/30551600038.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/3fc83ac901fffefbe6a3715e2a074196/jutataxogo.pdfIn PDF document text
  • http://aotwresort.net/ckfinder/userfiles/files/42021685507.pdfIn PDF document text
  • https://shriramsteels.in/public/ckfinder/userfiles/files/48421409509.pdfIn PDF document text
  • http://www.beautyvogue.ch/Files/file/misijezirujiwavat.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/kef483m230hv6srkm099i6v9n2/rapopeze.pdfIn PDF document text
  • http://evevoyance.fr/adh/.-/file/84449163979.pdfIn PDF document text
  • http://blevy.com/ckfinder/userfiles/files/31649755791.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/d7p791desn74h0i9rc63baf6k0/62558041971.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/mulorebuneseduju.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=flute+lessons+for+beginners+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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