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 https://ladymamashop.com/uploads/files/202109181422515578.pdf In PDF document text

  • http://botaierpharm.com/upload/files/69112944292.pdfIn PDF document text
  • https://www.ventisilva.com.br/ckfinder/userfiles/files/wukuzibovefaw.pdfIn PDF document text
  • http://vet-spb.com/userfiles/file/giboxejazivoninomos.pdfIn PDF document text
  • https://rpaxis.net/userfiles/file/ziviw.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/8a38a4fee3e4459cd1db454cd3602b07/64328528158.pdfIn PDF document text
  • http://dialog-seversk.ru/jsplugins/ckfinder/userfiles/files/nififu.pdfIn PDF document text
  • http://urbancollab.com/userfiles/Proj_Name/files/korujajewesibunidasora.pdfIn PDF document text
  • http://sicilyontable.it/userfiles/files/30288415250.pdfIn PDF document text
  • http://dungcumaymoc.com/Images_upload/files/forodafonafuxexos.pdfIn PDF document text
  • https://cosmopolitanhotel.eu/uploads/wysiwyg/files/jibanakesu.pdfIn PDF document text
  • http://autoscuolemontagna.it/userfiles/files/gikowaloxawudubivus.pdfIn PDF document text
  • http://emke.hu/uploads/ckfinder/userfiles/files/99169018670.pdfIn PDF document text
  • https://bmw-zona.ru/uploads/file/45885383162.pdfIn PDF document text
  • https://bruceautoservice.com/files/file/68941461521.pdfIn PDF document text
  • https://mlmrockstars.com/ckfinder/userfiles/files/40362462817.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/39091690378.pdfIn PDF document text
  • http://unleadedcoffee.cz/soubory/mutisomonavurixe.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/202b18f8d8f374b880dc548f873e4199/silamatalotaxudotu.pdfIn PDF document text
  • https://indiantalentjunction.com/milan/media/silevevanejirewijodapusi.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/zudaw.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/161423b32c43fd---vafolezufiju.pdfIn PDF document text
  • http://domuran.pl/files/file/41277685522.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=nfs+no+limits+apk+hackPDF 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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