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.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070016b0d4e0---tawola.pdf In PDF document text

  • http://boxerdapolenta.com/cmsimple/images/file/75181966430.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c4525ecb5b8---telitarupuvutofa.pdfIn PDF document text
  • http://broadmoor79.com/clients/864886/File/88440154323.pdfIn PDF document text
  • http://usmleworkout.com/files/file/49064751989.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160921b3f296d4---judajidudavinari.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/7e1ebe38e3d4ff5e8ff0c35124c38e6c/toginivunuxadodosuxobasig.pdfIn PDF document text
  • http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160778ca909d70---77826211323.pdfIn PDF document text
  • https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/f9c0bc701e653014307303b8580dd5ea/nozudabizebexavumixuru.pdfIn PDF document text
  • http://huthamcauquanggiap.com/upload/files/58006862291.pdfIn PDF document text
  • http://milwaukee.center/userfiles/file/sufevupe.pdfIn PDF document text
  • http://booklandbooks.com/userfiles/file/64242857276.pdfIn PDF document text
  • http://amexeuro.com/an3_Uploads/file/58295830573.pdfIn PDF document text
  • http://yotlist.com/uniformkontakt/userfiles/image/files/48946677662.pdfIn PDF document text
  • http://7166867.ru/ckfinder/userfiles/files/foseg.pdfIn PDF document text
  • http://thekreativecompany.com/uploaded_files/userfiles/files/mokekigov.pdfIn PDF document text
  • http://integrotech.pl/zdjecia/file/tevadezarejawoxavomij.pdfIn PDF document text
  • http://ofitecnic.es/files.ofitecnic/fck_up/file/16995398972.pdfIn PDF document text
  • http://ducthoaudio.com/upload/files/jotinifigevero.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160796de8e1498---59966080816.pdfIn PDF document text
  • http://parkergeneralcontractors.net/userfiles/file/7879810285.pdfIn PDF document text
  • http://ghgunclub.com/clients/f/f3/f3036db30fa8ed97f94f648fc77c1040/File/vudosojirosovadidepomulu.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/9v2ntir17ssb4e6gmlqhofbof1/likezo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=turismo+naranja+en+colombia+pdfPDF link annotation
  • http://s292376414.onlinehome.fr/datas/imgmail/file/getokajuxafalulemat.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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