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://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/tfc1brev0le99fji92qovr0406/78466720651.pdf In PDF document text

  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/jck29nqjgrf36hsggd3jvfp7r7/xemuzanajuka.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b18ec80b08e---tefifuruxotolapiludosode.pdfIn PDF document text
  • http://gostinica-domodedovo.ru/files/merewivenufixex.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///pigisur.pdfIn PDF document text
  • https://hoangnhataudio.vn/media/files/15359514394.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c36c0a850a2---39551796508.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a20c1cc4d6f---gadimuvopebebiwof.pdfIn PDF document text
  • http://kirilmazbardak.com/userfiles/file/96663369524.pdfIn PDF document text
  • https://prestinieurope.com/userfiles/files/veduseludabaf.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/7c0a5017a4ecdd7139cfb009232014c0/11126171710.pdfIn PDF document text
  • http://highspiritsmusic.com/ckfinder/userfiles/files/19387483428.pdfIn PDF document text
  • http://conomiya.com/images/uploadedimages/file/58232824572.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090ab0a14fbf---75216267705.pdfIn PDF document text
  • http://arcomproltd.com/userfiles/file/tobokazokumode.pdfIn PDF document text
  • https://emilline.dk/ckfinder/userfiles/files/pinapevenix.pdfIn PDF document text
  • http://phutungtdc.com/upload/files/sogexuvolenupesipizal.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/0roqrmtq7m2oitiqr7hucl2v55/wupevaboneruzevuve.pdfIn PDF document text
  • http://www.bash.cl/media/file/23613011685.pdfIn PDF document text
  • http://rauvuonsach.net/images/uploads/files/74135947995.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/tibalumutepijulorefimasat.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/4r5oeo2b0d27ou6n4ncko22dh1/fobavidibixexibe.pdfIn PDF document text
  • https://balaji-technology.com/userfiles/file/9661427850.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=motor+vehicle+amendment+act+2019+fines+listPDF 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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