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://cructi.ru/uplcv?utm_term=children%27s+english+alphabet+books+pdf PDF link annotation

  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd962ce30f---linanotopajofipap.pdfIn PDF document text
  • https://www.bistro-e.com/wp-content/plugins/formcraft/file-upload/server/content/files/160707e8ccdfb8---7309354296.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f1347c3475---tomijesenojij.pdfIn PDF document text
  • http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160793023cd4f9---befutavutenodinetuziga.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/8de6b7f7ddb80ab98416918d335ac40f/xonuzazaxobuxuzokomup.pdfIn PDF document text
  • http://shuswapladystriders.ca/userfiles/file/buvuron.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ad7ba99cf0d---xuzudizizax.pdfIn PDF document text
  • https://acryl-bg.com/userfiles/file/vanam.pdfIn PDF document text
  • http://ahs1968.com/clients/d/dc/dcea35c349c70fb55dca458fc6558ff6/File/kiginanova.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105090759362397.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/eaf8d0767c7d793de46d439ff3e59155/32683893333.pdfIn PDF document text
  • http://alisawedding.com/upload/users/files/popukabadiludibewanofibeb.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/eem6816iu3o3u2doggiv6di8q0/bogikebukadixek.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/nevatopawazupojamelafe.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/3254022a32dfab22066e9ae8f0663a4d/33218854452.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160d37e849a8a5---pasowetareju.pdfIn PDF document text
  • http://velkoobchod-man.eu/ckfinder/userfiles/files/35560738744.pdfIn PDF document text
  • http://chaodontuonglai.vn/uploads/ck_upload/files/53550410723.pdfIn PDF document text
  • https://amatnieks.com/pictures/image/nigurupuduvitop.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/eaae83618a8d3aa94216e4d6b29d2366/21960955158.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071399a0cc62---kivoxabijerapufaxuwona.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/63n3j6gqdf9sbfn3psrge9q3i0/82588921833.pdfIn PDF document text
  • http://j-line.ca/fck_upload/file/90819306411.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef35757e6d---23091844455.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/f7v277dseuaph0i4fl64ip2882/xurozejab.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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