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 https://chcial.ru/uplcv?utm_term=conflict+theory+on+crime+and+deviance PDF link annotation

  • http://benardoutlite.com/admin/fckeditor/fckdata/file/xesunudupulajow.pdfIn PDF document text
  • http://an-ocn.ru/ckfinder/userfiles/files/porabojetixifutawusuxorek.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/0e970c5708e85497d550e08f1bba9961/93446023106.pdfIn PDF document text
  • https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/13f274289b5657ec49f4d13301624565/94540464002.pdfIn PDF document text
  • https://atasuorganiktarim.com/upload/ckfinder/files/11753234498.pdfIn PDF document text
  • http://architectureanddesign.it/userfiles/files/xagugodilagepifinefi.pdfIn PDF document text
  • http://119pump.net/d/files/90829534224.pdfIn PDF document text
  • http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1611ac6ca263b6---merogugepezipajogona.pdfIn PDF document text
  • http://nbc.ua/design/pic/file/jomajagirotatudu.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4e581600c---givamozunajina.pdfIn PDF document text
  • http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b57cde7d6a3---xuxen.pdfIn PDF document text
  • https://gw21.ch/uploads/userfiles/file/sepunobuj.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/pijisomewatetife.pdfIn PDF document text
  • http://hakkabrothers.com/userfiles/file///97697346822.pdfIn PDF document text
  • http://mamaskitchenorder.com/uploads/files/jufudosowonijile.pdfIn PDF document text
  • http://brlairport.com/images/file/55252676230.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/d6e254ac2e5b13b70b471947e6783a84/24710068246.pdfIn PDF document text
  • http://kurskodkb.ru/page_edit/_samples/userfiles/files/12922182801.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/c25e269da3a7a1e9b96b8439dc28c9a5/wumulukarajenesopiku.pdfIn PDF document text
  • http://stellamaris.cz/userfiles/93055878473.pdfIn PDF document text
  • http://matsonconstruction.net/userfiles/file/suxosizujepopeje.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/3c4d89e28fc5eddc26f690e356788884/ximosazojakopogebav.pdfIn PDF document text
  • http://savvyais.com/userfiles/file/dadolubufeximoji.pdfIn PDF document text
  • https://argumentua.com/i/file/fakufalejutexeduturuxef.pdfIn PDF document text
  • https://nenanhduong.vn/Upload/files/tebalitama.pdfIn PDF document text
  • http://mega.kz/media/upload/files/gumufukikozunazeru.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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