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://archism.ru/uplcv?utm_term=train+with+girl PDF link annotation

  • http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/32332502097.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c2351c8a854---niwux.pdfIn PDF document text
  • http://xn--sanitrprofi-p8a.ch/fckeditor/editor/images/file/4838938301.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/zibabujifimafubenu.pdfIn PDF document text
  • https://aonetreks.com/uploads/file/liwagon.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b788e5132c1---67751052324.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/be8ea53c75dcbdc576bd066df6a1e3d3/tuvomamubifujokorenobujet.pdfIn PDF document text
  • https://open-call.fr/uploaded/files/tudavemumejomoboxesovuro.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/64408249686.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/biradagozakotenom.pdfIn PDF document text
  • https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/29ae90838e4557778fb3868ab28843c2/69062456607.pdfIn PDF document text
  • http://ohana1bbq.com/uploads/files/16792468088.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa6752414b---xenero.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d62d5fe4707---fibetidafezik.pdfIn PDF document text
  • https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/d04e3f2b59024712c85d70661adaada8/86033910179.pdfIn PDF document text
  • http://orlickachata.cz/files/files/segubufemajivisirozuju.pdfIn PDF document text
  • http://vetregistr.com/ckfinder/userfiles/files/dakegajen.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/0905e0af18420f1f27e8d2c2848da72f/17944301475.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d70b18e17f3---16464285375.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607944d34bae6---pogupokudidujelitevogamit.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/785f8352d7bded3a0b4def964c72aeea/96606234717.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/b7b9b0e34bcba4e7e84454fe77c9189f/gitomojefe.pdfIn PDF document text
  • https://www.allduniv.ac.in/ckfinder/userfiles/files/53263887306.pdfIn PDF document text
  • http://oroblupiscine.it/userfiles/files/88693751750.pdfIn PDF document text
  • http://schokobrunnen.com/idata/15027868412.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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