Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://cructi.ru/uplcv?utm_term=surya+namaskar+images+with+mantra PDF link annotation

  • http://caudafotografia.com/userfiles/files/61334895092.pdfIn PDF document text
  • https://motecx.com/images/file/zegokimejowuxej.pdfIn PDF document text
  • https://fontan-montag.ru/img/upload/nifemibeludomadodov.pdfIn PDF document text
  • https://ksboutlet.com/file/files/96806527477.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/bemixexizitozem.pdfIn PDF document text
  • https://toliveinchristjesus.ceosale.catholic.edu.au/application/third_party/ckfinder/userfiles/files/78794819630.pdfIn PDF document text
  • http://sumosushingrill.com/uploads/files/35430272065.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/1264676238.pdfIn PDF document text
  • http://satunatc.ac.th/ckfinder/userfiles/files/fogojinifuzovejomuxe.pdfIn PDF document text
  • http://exmar.it/foto_fck/file/82868166114.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/jvg9es3r5tlubu6nu6nedp4t07/32696402210.pdfIn PDF document text
  • https://perfecthospital.net/FCKeditor/file/petelidigebep.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/samujekesisepesanakutor.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eba3611d6b---xonigo.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/lm9l6kh47h0cl7s7hrfhd97im0/94055780697.pdfIn PDF document text
  • http://www.gc-antey.ru/ckfinder/userfiles/files/1129413340.pdfIn PDF document text
  • http://puzynowska-kancelaria.com/userfiles/file/68831367545.pdfIn PDF document text
  • http://urgentcarepb.com/userfiles/file/23784235526.pdfIn PDF document text
  • http://gzhangqin.com/uploadfile/files/dawuzob.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/bea93998cd1cede12d65e12d7f46029a/68610728225.pdfIn PDF document text
  • http://ge-mak.com/files/nusimexonaxux.pdfIn PDF document text
  • http://www.tokyomagic.jp/images/library/File/18930511984.pdfIn PDF document text
  • https://cakamuzejs.riga.lv/ckfinder/userfiles/files/78208492209.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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