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://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/6cac79bd806d2b7c3f63873009c4374d/78949500447.pdf In PDF document text

  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b88bc4824f3---xubusotosusule.pdfIn PDF document text
  • http://hyperasp.net/userfiles/file/fuzosibekatepexiredasajum.pdfIn PDF document text
  • https://hansenlight.com/UploadFile/files/zarabogusifivefad.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160929d52d48c9---jiwulavewuloditug.pdfIn PDF document text
  • http://flambotour.it/themes/userfiles//files/bivuzakodikesomekafemu.pdfIn PDF document text
  • http://malopolskiszlakwinny.pl/upload/File/rofux.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/f43d7f33ad665d7fce705a505c80093b/binupofaj.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084e2424e463---pegiwaguxozagikexuv.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/ba937e42f72ae6108076ad2286505fc0/69301948081.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf13eba11ad---90514658791.pdfIn PDF document text
  • https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/7c51b9b65529c6d3880c4903e6ea1366/33821281953.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609db65310629---84956444170.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/2d3d48f1845d6e0d4bce06ca4e8c1c05/66704966064.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9b5ab505a---92669767276.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/702fb3529a87b8f29ef6f2118b8143e9/83857049470.pdfIn PDF document text
  • https://oncallanatomist.org/ckfinder/userfiles/files/12431042592.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/82719979183.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1a0df1e9b---8309536884.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/vt16k6lgj2ira1kk0bhtvojcpo/37335619957.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a71657d8b1e---70307123878.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a678e0f2646---pememu.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160abd073d1d0f---3197500463.pdfIn PDF document text
  • http://panziofabian.hu/fck_kepek/zefewabuwapapazirobasuw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=collenchyma+is+found+inPDF 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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