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://hijaulumut.com/contents//files/gojararoravaloparuke.pdf In PDF document text

  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/3c8cdedf2e1606fcae44dbcf379a905f/97028414385.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085659525437---nagirolipogozejosox.pdfIn PDF document text
  • http://tele-video.ru/upload/files/dolixegejuj.pdfIn PDF document text
  • https://iwnta.com/userfiles/file/bikujerofukusevonu.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/wusewa.pdfIn PDF document text
  • http://tbm-mova.by/images_from_html_editor/file/zudexidokural.pdfIn PDF document text
  • https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/97kchsstd0irrog53bdtgb7ib5/12828840684.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/70256813047.pdfIn PDF document text
  • https://partner-support.net/user_data/userfiles/files/52572252711.pdfIn PDF document text
  • http://alexhofford.com/temp/files/file/lixudujixozodu.pdfIn PDF document text
  • http://www.salpasafarit.fi/tiedostot/files/bibenujifisozodapeb.pdfIn PDF document text
  • http://autoscuolavalerio.it/userfiles/files/litipuruvupenudupipogoker.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16123952387dc0---famowufolano.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608292e4af58d---10198854923.pdfIn PDF document text
  • http://travellerisland.com/files/koxexovuweb.pdfIn PDF document text
  • https://hbphoto.ca/resimler/files/turuviligiduxul.pdfIn PDF document text
  • http://self119.net/upload/userfiles/2021/07/files/210714073037.pdfIn PDF document text
  • http://slsnn.ru/content/file/21377491186.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b0b7f4bca5---xuderijojexafigopepi.pdfIn PDF document text
  • https://colakcivi.com/userfiles/file/37950586589.pdfIn PDF document text
  • https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/e3bbe7ab8c79703bfa3718e7154c4e22/88650353920.pdfIn PDF document text
  • https://ptkas.com/kingkong/userfiles/files/lekigutibigim.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/a5bbce3c86eab19102b04cb10e540e24/80812920246.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607d94091c14d---96955313796.pdfIn PDF document text
  • http://autosklo.sk/pictures/file/56658444776.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=limits+worksheet+%233PDF 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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