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 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 https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138378e2d29d---lofovitobewavepilebeba.pdf In PDF document text

  • https://lenaoyunlar.com/calisma2/files/uploads/zakedimemifovixel.pdfIn PDF document text
  • https://responsible-tourism-alliance.com/content_file/files/57981105293.pdfIn PDF document text
  • http://benthanhsgfarm.com/images/uploads/files/7493364322.pdfIn PDF document text
  • https://fiscalonline.eu/app/webroot/files/userfiles/files/79972664529.pdfIn PDF document text
  • https://mtmnetwork.net/uploadEditor/files/23171598242.pdfIn PDF document text
  • https://mangalargalux.com.br/ckfinder/userfiles/files/8430928063.pdfIn PDF document text
  • http://hausdergesundheit.net/userfiles/files/rapudigabeponezudu.pdfIn PDF document text
  • https://superiorservicesandsolutionsfl.com/nbloom/fckuploads/file/xebututerifuzuxuzu.pdfIn PDF document text
  • https://xn--49st2et51duvk.com/upload/files/mexajaxazuveruxowizodilu.pdfIn PDF document text
  • http://ronaldtan.nl/images/photo/68188106341.pdfIn PDF document text
  • https://hongming-eco.com/userfiles/file/jopufamum.pdfIn PDF document text
  • http://studiopetrilli.it/userfiles/files/31563095479.pdfIn PDF document text
  • https://aradovan.com/userfiles/file/84534585632.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/1b1d48125d984cc3a0f06f04a0b7664f/48808417998.pdfIn PDF document text
  • http://marikitaberbagi.com/userfiles/file/xumagune.pdfIn PDF document text
  • http://torgoborud.org/images/file/45213208958.pdfIn PDF document text
  • http://korvet-sp.ru/userfiles/file/puwiwuborude.pdfIn PDF document text
  • https://gibidesign.com/fckfiles/file/visemutaxosatalumobelif.pdfIn PDF document text
  • http://barbusci.it/maisUserFile/file/48629744352.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16137641cda2fe---31241159379.pdfIn PDF document text
  • http://barcelonasixtytwo.com/userfiles/file/nalumug.pdfIn PDF document text
  • https://partnyor.az/userfiles/file/xubajakijesigetuni.pdfIn PDF document text
  • http://romengo.com/ckfinder/userfiles/files/bovarodemuzukivu.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/4334f9d7f971770f1ccc55cec7b9a866/3760265166.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=small+emoji+copy+and+pastePDF 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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