Malicious PDF — malware analysis report

Heuristics 6

• 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://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160bdeaf1072d2---35637306140.pdf In PDF document text

  • http://mrtowing.ca/Lawyers/userfiles/file/38362207010.pdfIn PDF document text
  • http://dailyliving.nl/ckfinder/userfiles/files/nizuwawemalo.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/c6307da24f81e8a9662d840502eee262/87488246598.pdfIn PDF document text
  • https://eastmanllc.com/ckfinder/userfiles/files/digizeposexoguvajasaj.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f530538e6---manore.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/89941558040.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/2336c84c209dae16692d9670be991bf0/20886177616.pdfIn PDF document text
  • http://geostudio.eu/userfiles/files/zevupewexuvalenijezi.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/2027811893a1f2cd6c8bacea31039c4b/20764060562.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607030ad53bb5---74212580210.pdfIn PDF document text
  • https://xn--80apefbdm9ah5g.xn--p1ai/userfiles/17249827212.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/64eb103d0dfb54cf2655008e17246cae/87656216007.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ca25b0889060d85b6d99bc68d24d8e94/rigipewolomagimoxam.pdfIn PDF document text
  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/b87c4bbb2c44e235cf628f063a22e525/52202394161.pdfIn PDF document text
  • http://zionhillfirstbaptistchurch.com/clients/73368/File/33259223693.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/aeaaaaf2beba0f81e52996e41826df3d/53319947538.pdfIn PDF document text
  • http://humansharehouse.com/userData/board/file/kirawuruwasezuzuke.pdfIn PDF document text
  • http://saddabro.com/userfiles/file/54361075044.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/texinezakojikuvelopo.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/4976b73ea219af8539614693f244d240/bujewogevofewatujibif.pdfIn PDF document text
  • http://rosg.net/sa_upload/userfiles/file/20210825120614.pdfIn PDF document text
  • http://hotstamping.pl/files/file/dajejojoka.pdfIn PDF document text
  • http://thecountryclub32055.com/userimages/62700367724.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/0129904c2a081be9af00d52ca1951f41/25030923474.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=vector+control+of+induction+motor+pdfPDF 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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