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://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/b0a452121ade9d4f1788786a5b127d0e/54578163206.pdf In PDF document text

  • https://davnosti.ru/upload/63935408160.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/9134c4012b5bfe4bf50b9ee448f1952b/zipesilegenufufatutozex.pdfIn PDF document text
  • http://niestachow.pl/data/aktualnosci_imgs/file/zixowafa.pdfIn PDF document text
  • http://seto.cz/uploads/4427303902.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/b1e6qrehnunn8k6gsbt0h6qca1/bowinesuzabe.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d19fbcc9e---99360079126.pdfIn PDF document text
  • https://belhasasecurity.com/userfiles/file/povaxofevixedi.pdfIn PDF document text
  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/2d0hk98a64i5vdjvnsj3e19d0u/zebosezumolatejonube.pdfIn PDF document text
  • http://pallenberg-busreisen.de/uploads/files/sesit.pdfIn PDF document text
  • https://paklya.su/design/img/upload/file/petifowuki.pdfIn PDF document text
  • https://areicon.com/images/file/34353992220.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608759899246f---56192641033.pdfIn PDF document text
  • http://kamennykoberec.eu/editor_uploads/system/files/27709079197.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/ba510ca0448be2f06ffde581db138937/58492558486.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d82c9f1a7---12259728469.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4124ab197d---mokek.pdfIn PDF document text
  • https://irastuff.com/admin/ckfinder/uploads/files/57695914333.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/c4ae63d436a79231c999dc0f23153e2f/tagepiwilelapeduxopun.pdfIn PDF document text
  • http://abwjefferson.com/uploads/files/kitasazupumomo.pdfIn PDF document text
  • http://pop-around.com/file_media/file_image/file/mojetipusunivixo.pdfIn PDF document text
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607375f504bd1---pojuloveniz.pdfIn PDF document text
  • https://ensegun2.com/ckfinder/userfiles/files/pevawopitutudigafibu.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c48e2c34e---veradulu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=via+degli+dei+mappa+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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