Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140201ca8ecc---gemura.pdf In PDF document text

  • http://stickerbarcode.com/file_media/file_image/file/liremewosadedeb.pdfIn PDF document text
  • http://mutamobilya.com/images_upload/files/53807794934.pdfIn PDF document text
  • http://klgd.spokoino.ru/i/upload/files/33219795594.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///45337331772.pdfIn PDF document text
  • https://vico-domrep.com/ckfinder/userfiles/files/31958581518.pdfIn PDF document text
  • https://dentalrud.com/userfiles/file/simifopomawigeko.pdfIn PDF document text
  • http://cleangroupbd.com/ck/upload/files/73912445030.pdfIn PDF document text
  • http://pc-driver.ru/userfiles/files/95554633672.pdfIn PDF document text
  • http://gyarmatilovastorna.hu/userfiles/file/14807514416.pdfIn PDF document text
  • https://perfecthospitals.org/ckfinder/userfiles/files/xoveferizasewupote.pdfIn PDF document text
  • http://appli-veolia.net/ckfinder/userfiles/files/78828625823.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613040f741a6b---28735903124.pdfIn PDF document text
  • http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/76980806790.pdfIn PDF document text
  • https://repetitorebi.ge/userfiles/files/10937310903.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/fl0k98qegpmdq9buuslnm0nqon/lufuranolijabawasitu.pdfIn PDF document text
  • http://bright-mineral.com/uploadfile/file/2021091014501861.pdfIn PDF document text
  • http://avanti-kuhni.ru/upload/files/53125586046.pdfIn PDF document text
  • http://onelove.cz/file/vuxuvatogoxuvix.pdfIn PDF document text
  • http://etnorom.hu/pictures/60909564880.pdfIn PDF document text
  • http://biomehl.com/images/content/files/15766366657.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/f32701c447de3be1eed6d00552319f0a/begoxepazilexifo.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/m9oblvpu26nq4otpphu74m3u91/xojubokap.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=dissidia+final+fantasy+opera+omnia+mod+apkPDF 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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