Malicious PDF — malware analysis report

Heuristics 6

• 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 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://krisoc.ru/uplcv?utm_term=thought+of+the+day+for+hard+work PDF link annotation

  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/803335e5cff993c6eea5b4f7ef26a79a/14953221870.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/gjmnv4l6m71cjsfvmjdns1jca5/95157662639.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/10993434678.pdfIn PDF document text
  • http://zonweringbelgie.nl/ckfinder/userfiles/files/40015449189.pdfIn PDF document text
  • http://donelreunion.com/clients/5/59/59051ae02fa593b10ab13f41bf6316a1/File/mumasuzo.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/e0b95cfd220e46839afdcd6cd162c540/38119725061.pdfIn PDF document text
  • http://primebrokeragetx.com/ckfinder/userfiles/files/lazotuvivefexuboxowon.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/61tr39kh0e09vep66rs6nv7s64/63007301848.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/346f06d45167670f15b53c2ae1243455/gerofulawexuwif.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/upm04stsdk3crlctm72nd0r287/84738324739.pdfIn PDF document text
  • http://hengtaixin.com/HangShun/ckfinder/userfiles/files/74608649349.pdfIn PDF document text
  • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160a5031eabd4c---bedonawuzavukezub.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160ba587e55361---95200297907.pdfIn PDF document text
  • https://micast.de/wp-content/plugins/super-forms/uploads/php/files/1g5gnk9qh1tpsupe5ougdv1tb4/sokozagijiv.pdfIn PDF document text
  • https://bamor.org/userfiles/file/rinukorukopepobebopegid.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/4jkk0nq4opo60725id9kcn4j7g/lolepatuwolunuvereg.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b278915b2d3---5197902643.pdfIn PDF document text
  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/n01d1v2hscne63lor9kc397p0u/70470379387.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/19862527736.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/663e1ddf9e876d17c6858ff5d11f27f8/vegezinariko.pdfIn PDF document text
  • https://lecormier-menuiserie.com/www/upload/files/sakipezidofofex.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/fembu47ofi3arrbmgi5kn6lck9/9366716003.pdfIn PDF document text
  • http://szentdorottyapatika.hu/files/linoge.pdfIn PDF document text
  • http://quaretti.it/userfiles/files/71713231058.pdfIn PDF document text
  • http://frangarcia.eu/upload/file/3327554758.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/acb1b5eee3c5b65ce5a29597e59150c3/wisitidunabaxetug.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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