Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://philabc.ru/uplcv?utm_term=there+was+a+problem+while+parsing+the+package+solution PDF link annotation

  • http://creativecoms.net/userfiles/file/vimuwemubiroronutubodik.pdfIn PDF document text
  • https://kitapkaplama.com/upload/ckfinder/files/11530999682.pdfIn PDF document text
  • https://flardochform.se/userfiles/file/32528356555.pdfIn PDF document text
  • https://www.jdconstinc.com/ckfinder/userfiles/files/96940478035.pdfIn PDF document text
  • http://debsecond.net/UserFiles/File/kizokad.pdfIn PDF document text
  • http://tufaghanafc.com/js/ckfinder/userfiles/files/80474294411.pdfIn PDF document text
  • http://winfielddeli.com/ckfinder/userfiles/files/xoduvelavizenewulexu.pdfIn PDF document text
  • https://dampinggame.com/calisma2/files/uploads/lofolusagifakam.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/rl6ubccnnoohbddagbb02o0egd/jupinaja.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/4gro3309j0ncnatc4sfs1oav70/90848793208.pdfIn PDF document text
  • https://vresponse.net/userfiles/file/9544953223.pdfIn PDF document text
  • https://bikeid.net/ckfinder/userfiles/files/70328919200.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/q67u1j3f76diho5p7rpr9uvh76/zibagebegapexojuvaveri.pdfIn PDF document text
  • http://intproplaw.com/admin/uploads/file/96585307503.pdfIn PDF document text
  • http://xindeshiye.com/uploadfile/file///2021090301232949.pdfIn PDF document text
  • http://dc-42351dc5a6b3.prshots.es/uploads/userfiles/1630686745/files/81946923136.pdfIn PDF document text
  • https://inprovitmexico.com/ckfinder/userfiles/files/begilarago.pdfIn PDF document text
  • https://tpijobportal.com/ckeditor/ckfinder/userfiles/files/76258903215.pdfIn PDF document text
  • http://ji-tien.com/userfiles/file/45052861377.pdfIn PDF document text
  • http://uralcomservis.ru/crn_fls/crn_files/gogumofanobofamip.pdfIn PDF document text
  • http://seowonbattery.com/files/fckeditor/file/1146794557613ae002cf941.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e2d599db6---rewuzudaxoxawotapav.pdfIn PDF document text
  • http://twtipa.com/upfile/files/2021/09/10/favevibin.pdfIn PDF document text
  • https://mumegram.com/userfiles/file/96393238229.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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