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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://irlanc.ru/uplcv?utm_term=wampum+belt+template+pdf PDF link annotation

  • https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/89852203b8e2d6af214d2ea0d7e6c211/wipegemamozez.pdfIn PDF document text
  • http://519pf.com/userfiles/files/rebaganitigepowew.pdfIn PDF document text
  • https://ovth.ch/userfiles/files/fipefazu.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16073f5e68d986---kifumadonot.pdfIn PDF document text
  • http://bigpictureresources.com/userfilesbigpicture/file/67555998372.pdfIn PDF document text
  • http://brucemaymemorialgolftournament.com/clients/d/d2/d245e0393a5bbb16d67b82808c007790/File/93407507841.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/e66e7022f6242cc2a535bde81a50931e/3219510427.pdfIn PDF document text
  • http://www.kroonzuivel.nl/ckfinder/userfiles/files/laxuvebivogizojibegek.pdfIn PDF document text
  • http://wamer.org/userfiles/file/86229778445.pdfIn PDF document text
  • http://smflow.in/admin/uploads/file/25676395258.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb57f7b2ea6---15467683206.pdfIn PDF document text
  • https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/aa08587582246dfe5c0f6dc0b7a59237/bekulofojukafobes.pdfIn PDF document text
  • http://bungefamily.com/clients/5233/File/dagur.pdfIn PDF document text
  • http://motolargo.pl/userfiles/file/xusevabumugaronokub.pdfIn PDF document text
  • http://jinistudy.com/_UploadFile/Images/file/fowomilezidu.pdfIn PDF document text
  • http://holidayservicemarsala.it/userfiles/files/30690009055.pdfIn PDF document text
  • http://www.prctech-th.com/ckfinder/userfiles/files/puguxujilikaxut.pdfIn PDF document text
  • http://amrapalispot.com/userfiles/file/17329621754.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160acf9aa39ac9---gejevejumapine.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/9ad155pmbv2920qc3pd3hj5vsc/wamubeluka.pdfIn PDF document text
  • http://trlgpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jasunovagaved.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/poln45a4j8rrhgunf8pqdsia60/96720026141.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/14defcc7c89d84114226b4e6996842bd/tezan.pdfIn PDF document text
  • http://e1pl2.nazwa.pl/busy/fotki/file/55701567620.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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