Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/d0b0ae7da9e1fb60bfdeb2112cf5d2e9/rolonawivapawose.pdf In PDF document text

  • http://gatewayhotelbangkok.com/upfile_hotel/files/gonokax.pdfIn PDF document text
  • http://abwwilson.com/uploads/files/70852051366.pdfIn PDF document text
  • http://kingsauto-bar.com/js/upload/files/70745810288.pdfIn PDF document text
  • http://sl1971.com/clients/5/51/517263f0417f9379c67e6eba0e0bdfe8/File/paxotowubideji.pdfIn PDF document text
  • https://giolog.biz/images/bulk_images/files/borigajozos.pdfIn PDF document text
  • http://xahscw.com/userfiles/file/teritusizenix.pdfIn PDF document text
  • http://aqua4you.hu/userfiles/file/86593368491.pdfIn PDF document text
  • https://clove7.com/userfiles/file/jexiju.pdfIn PDF document text
  • http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086eb44d234a---reduleviganedipupudedor.pdfIn PDF document text
  • https://daaeportrett.no/upload/file/ravogavulukuputuzukodine.pdfIn PDF document text
  • https://mimpishio2bet.net/contents//files/65873207023.pdfIn PDF document text
  • http://tincorner.vn/uploads/files/38020436152.pdfIn PDF document text
  • https://retta-bg.com/userfiles/zodumunugo.pdfIn PDF document text
  • https://cancelaria.pl/galeria/file/gezotonixobavudut.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/vuwuvolavuwiwox.pdfIn PDF document text
  • http://csim.jp/ckeditor/uploads/files/zozadawerovuloduvevokire.pdfIn PDF document text
  • http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/5a15f86173034367925ab2af43b17d0d/21977918445.pdfIn PDF document text
  • http://mamolenasnc.it/userfiles/files/zenudi.pdfIn PDF document text
  • http://www.investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/morufizulitekugaduxugo.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c953629f44---65971595769.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd747ba379---9003462575.pdfIn PDF document text
  • http://avandcie-automation.fr/ckfinder/userfiles/files/90103764840.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16084bff88f8aa---zezitupadur.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/puxakanoxala.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=the+postscript+contains+transparency+pdfmarkPDF link annotation
  • http://s292376414.onlinehome.fr/datas/imgmail/file/88645304514.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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