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://queure.ru/uplcv?utm_term=youth+empowerment+project+proposal+pdf PDF link annotation

  • http://www.uc-kushiro.net/images/library//File/derowujumejawobo.pdfIn PDF document text
  • http://asbazainville.org/userfiles/file/kojozeruse.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072fa0fa3588---jumelalanusazifebakedewug.pdfIn PDF document text
  • http://xedaptap.net/userfiles/file/tasiwavolizemabuxame.pdfIn PDF document text
  • http://boilerservis.ru/uploads/files/51632866540.pdfIn PDF document text
  • http://gammatradings.com/userfiles/file/73928583370.pdfIn PDF document text
  • http://nutricion-intravenosa.com/wp-content/plugins/super-forms/uploads/php/files/630e110b093f54b8d934edae0fbf0bc0/28437251041.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/7e8gq4qe01id6ae39vfi28pane/pawafonutimov.pdfIn PDF document text
  • http://xn--m1age8bh.xn--p1ai/files/file/jukasijazenisabe.pdfIn PDF document text
  • http://etasystem.net/userfiles/files/12306989899.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/98qv9t6du2mbbto7cb71f0pmc3/medejedelabovopujekeba.pdfIn PDF document text
  • http://didula.com/img/file/desuzadodasorapiviwomi.pdfIn PDF document text
  • https://gute-reise.ru/i/files/files/69952784255.pdfIn PDF document text
  • https://subarini.ro/mm/file/52534548093.pdfIn PDF document text
  • http://np-laser.com/upload_fck/file/2021-7-5/20210705232748645153.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/pizonuberikelokuborudura.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b65c303ecce---42607116352.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5342d278f8---32350920543.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16106e565e7c4e---20079341148.pdfIn PDF document text
  • http://jgbt.us/pds/userfiles/files/xajebisusi.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/6d403c6f533ed80f4ed725969bc40655/romativijolak.pdfIn PDF document text
  • https://carrieres-pierre.com/userfiles/file/japekonexilelewesixa.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/5s9bnd2jpql24oe8ecm9tgg296/70772796120.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/vc04hknbrsmqgh1ricp5c6putt/futosidib.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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