Malicious PDF — malware analysis report

Heuristics 6

• 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 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://archism.ru/uplcv?utm_term=soil+mechanics+and+foundation+engineering PDF link annotation

  • https://serwisnawigacji.pl/userfiles/file/jexalopemesasatoril.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba20cb0bc68---remowejozusuvikafe.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/aiiubf03totd7a0a109df0jfm7/lebudalesi.pdfIn PDF document text
  • http://clinicaveterinariabilancino.it/userfiles/files/89665046545.pdfIn PDF document text
  • https://aftaplan.com/works/peepsparty/html/upload_files/file/ragufipuxusim.pdfIn PDF document text
  • http://grawerlik.pl/userfiles/file/dabukinagupef.pdfIn PDF document text
  • https://anfauglir.com/images/file/13684966081.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c11d4b46e1e---petoloberume.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2e1fa40d7---29175905497.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/91e8468cdec4c7ad30920f62ac5153ee/81109681634.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc20c43eea---4713897543.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/ff05542a2fd4ba54a58fd37848d7c0bf/42846912390.pdfIn PDF document text
  • http://www.look4job.gr/images/_user_na/file/duweratolipalidopobofezi.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16070a1d380cca---pamerakumujexijasu.pdfIn PDF document text
  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc7d4cc89af---lunulobawopexatunavax.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/efcbf4cj13udl330klsan13lt7/kivabomumalivudutora.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/mezefaxufuleg.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/23bbbbbf786f4f24201493799b3cfe93/momabasabazarakaja.pdfIn PDF document text
  • https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/efba281cf602697d17c34267b4779435/kumoluvoja.pdfIn PDF document text
  • http://charivne.info/images/file/zutadujov.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/48b054532ea0d3702888bade71bdf921/61915672737.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/wiluzudizijikaletukuxokeb.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608f596cdc8c1---munak.pdfIn PDF document text
  • http://ksnjl.com/userfiles/files/11162061128.pdfIn PDF document text
  • https://sandzak.best/wp-content/plugins/super-forms/uploads/php/files/515e58e42d4b0863ec269599ffd80ee3/95345030773.pdfIn PDF document text
  • 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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