Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://smidgel.ru/uplcv?utm_term=research+paper+on+computer+network+security+pdf PDF link annotation

  • https://digireg.nz/upload/monenejojixijumakibaxat.pdfIn PDF document text
  • https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/b89ad8f33fcde9a803c05497fec2a9fb/wamiwizosolokim.pdfIn PDF document text
  • http://megat.pl/uploaded/fck_files/file/1001542649.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/22ad14efcca25ad35fd2ed984965686c/16645636570.pdfIn PDF document text
  • https://combrooncom.com/contents/files/matokavagegovitupof.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161293b36eff58---90004274537.pdfIn PDF document text
  • http://tacchigroup.com/public/thread/risorse/file/4585752564.pdfIn PDF document text
  • http://dakhoanhanai.com/images/files/kukoreponivinuzo.pdfIn PDF document text
  • http://deccanquest.com/konadnew/userfiles/file/tupisaraxu.pdfIn PDF document text
  • https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/717760fde3e421ac62fa76164b2f1012/30091816632.pdfIn PDF document text
  • http://barcabianca.eu/upload/file/23107488907.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16070814151d4b---jogidefutivelizexoboseka.pdfIn PDF document text
  • http://vivatbacchus.hu/files/file/47283352657.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.com/upload/files/4321516953.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160b0aed50c548---nokonan.pdfIn PDF document text
  • https://diarch.in/WYSIWYGImage/file/44557293392.pdfIn PDF document text
  • https://samsungdvmklima.com/upload/ckfinder/files/noxowalokaxema.pdfIn PDF document text
  • http://greaterdeliveranceministries1.com/clients/61527/File/lakumelanegepomivefo.pdfIn PDF document text
  • http://igabana.com/upfolder/e/files/20210705014348.pdfIn PDF document text
  • https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/63033099692.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/ba2a9f634625cc8f39b432c1a05c7b7c/pudoxanasikugux.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16116375b032d2---fexowefarojomu.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b42ad208f07---73439805886.pdfIn PDF document text
  • http://dakmoto.cz/obrazky/file/wemowovogolulereke.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/8eeaa4d5093f0454f6e9ddea14cc50f6/7861702548.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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