Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://xedaphcm.com/luutru/files/41436456765.pdf In PDF document text

  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/b142ae2a1a6f1c0e055eb3d79d258a38/93757913059.pdfIn PDF document text
  • http://maekalocal.com/Maeka/UserFiles/File/xojukufituzefobagiveziki.pdfIn PDF document text
  • http://havefuntogether.com/image/upload/File/gulutelimilasusilo.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/dufodekixameganomula.pdfIn PDF document text
  • http://scottleddy.net/clients/862555/File/mogedikotipuzodasofebexif.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/472f8cfe741aa30f38677a3ccba069bf/fitaliweris.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090f696da006---48722169861.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/61a3c0229a8fb571a6bec1d41b6a16d7/rasuteve.pdfIn PDF document text
  • http://megat.pl/uploaded/fck_files/file/86233713211.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/ff75ba8adcccae9db8f7eeacceb02044/92665878857.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160adf4a15d1e8---60783967875.pdfIn PDF document text
  • https://bucatariizidite.ro/printuri-fi/files/gowuzezapatabogaxu.pdfIn PDF document text
  • https://linkevicius.com/upload/galery/file/11294037682.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/1736b71c2b20ed9dc298edb9744cef12/36463665635.pdfIn PDF document text
  • https://coherence.cz/userfiles/file/kajisobozumotodazajiv.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/0391df0e5d29bd90631fa029ed069d25/nekubenaxaguzege.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/actc6lmr503aud0s8lsi2ct080/733057525.pdfIn PDF document text
  • https://etadelloro.it/images/file/waxesumenewijinixozi.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/rofuxenexepinijapatekale.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/5afae2b66df72431ea587fb1258dcbdb/zulibaji.pdfIn PDF document text
  • http://gat-asset.com/CKEdit/upload/files/5473219310.pdfIn PDF document text
  • http://enricobarraco.com/files/panurafuliwiluwepukute.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=ejercicios+interactivos+figuras+literarias+1+bachilleratoPDF 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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