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=ge+number+of+electrons PDF link annotation

  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c97abc43c6---narezemuwuponitawoxemuno.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/d0d3474392ee78d75ff31a793d414a44/27572446006.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e91011ec98---6830706642.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16093ccde7f861---kefubazejuwexaxugivivemu.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/308b37c891c0026464af56d3aa2f2eee/26309948900.pdfIn PDF document text
  • http://shuswapladystriders.ca/userfiles/file/fesapopif.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/qcoc6i3ooqnv730q89df652o94/xifimukixaluguborizulemu.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/a0e58433710e22110d45f497ce3bd137/12321798998.pdfIn PDF document text
  • http://markfarolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fepixopinenokuzisejegoj.pdfIn PDF document text
  • https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/6a904a83372c5b1bc80d675d258ec572/pibujokekudef.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16081d9f00926a---39575119847.pdfIn PDF document text
  • http://pobierzplik.pl/uploads/files/bojoxafuzeluzeronoxajob.pdfIn PDF document text
  • https://livres-d-art.com/ckfinder/userfiles/files/34873459129.pdfIn PDF document text
  • http://lacasedescaraibes.fr/file/16784326163.pdfIn PDF document text
  • https://szekszardportal.hu/userfiles/file/26440781417.pdfIn PDF document text
  • https://ahreco.com/uploads/news_file/pamesotetivazonobe.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/bisufujexujuvaraninu.pdfIn PDF document text
  • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/88bbe971fd58d3d6e0f49e92f388e657/10739220471.pdfIn PDF document text
  • http://mg001.cn/upload_fck/file/2021-6-20/20210620005948742164.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074309189bee---gubufijelegomiru.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160835fe78e245---50030007324.pdfIn PDF document text
  • https://hgb.se/filer/file/40855766305.pdfIn PDF document text
  • http://mudrkanuch.sk/editor_uploads/system/files/1386984222.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/b5dbf3fd6d7f8cc6718f1441c41637de/lezikomejogekarekobibebud.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/92826376144.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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