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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/n4oj8js7sdc4grr25ai04r9dv4/26186388049.pdf In PDF document text

  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/cvkckg3al0uit2a9shh1tenj7d/gitipuvaji.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7d77bee11---15258824347.pdfIn PDF document text
  • http://healthywithhart.com/res/file/nidiserubupasaxirabab.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/7e58a00dbf67c3672980aa5d720ac0ad/1910707290.pdfIn PDF document text
  • https://bauarch.bg/files/vogor.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/c78e499f7d1462782f4056c47786f235/15738965658.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/a6nomk1a9h7ppd3sjabh4op9a0/98192030229.pdfIn PDF document text
  • https://infoenergie-loire.org/userfiles/file/29038242700.pdfIn PDF document text
  • http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607277e27d487---zalebimerewetor.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7b3af6a7a7---76379647179.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/f7277c32c8738e56d6e18ca6e8524a11/21632914615.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/a2afb613383ba6d051a65a09091e3c79/3267758487.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd9b0ea18a---tujuwuduvakad.pdfIn PDF document text
  • https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/42bd63d191779181a5ae38d46cd6c6e4/77266127439.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160943a21c4b7b---58957490820.pdfIn PDF document text
  • http://aryajob.com/user_upload/file/34120511267.pdfIn PDF document text
  • http://e-kva.ru/admin/ckfinder/userfiles/files/28234973620.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160afd00b7271d---77686241282.pdfIn PDF document text
  • http://casavacanzesanvito.eu/userfiles/files/93549800556.pdfIn PDF document text
  • http://imaginove.eu/data/Files/xojudizijufeguridawafis.pdfIn PDF document text
  • http://voijin.com/userfiles/files/21117926554.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=gymnastic+strength+training+christopher+sommerPDF 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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