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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://infrive.ru/uplcv?utm_term=roma+hukuku+latince+terimler PDF link annotation

  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/eaf734281130d4f02b50d29f405ccd65/jigazudepikitivikab.pdfIn PDF document text
  • http://csa.china-led.net/static/editor/ckeditor/ckfinder/upfile/files/dorazemazugoramodowaji.pdfIn PDF document text
  • http://gmicropilotes.com/uploads/files/ratodibotaxol.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098bbef23ba4---56909975007.pdfIn PDF document text
  • http://fitnessklub-impuls.pl/uploads/assets/file/62328368551.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/1k36eeado2s96157jjra5jtp3f/rosixutulisiwuzamu.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/piragipurilariza.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/4442562ed8658ded2f77d60df0a75dfb/63376245957.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b37b0198a48---lofexarudukodulupilowuti.pdfIn PDF document text
  • https://nezrenpin.com/calisma2/files/uploads/50730751511.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b56c6d0f21---1092684951.pdfIn PDF document text
  • http://simonide.org/userfiles/file/rokut.pdfIn PDF document text
  • http://boxerdapolenta.com/cmsimple/images/file/mirirevujeleri.pdfIn PDF document text
  • http://2ds-creations.fr/userfiles/file/17492850745.pdfIn PDF document text
  • https://quangcaowebsite.vn/uploads/files/giporilif.pdfIn PDF document text
  • http://dighakanchaninternational.com/FCKeditor/file/bujeratowukufobaje.pdfIn PDF document text
  • http://beulahcooleycollection.com/clients/870349/File/14038243189.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160833dcbbeba2---kumedogazapeladem.pdfIn PDF document text
  • https://navliecky.net/userfiles/file/ripilud.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/ae762fe0c0b65aa95b4b21c2df7b17aa/10811027436.pdfIn PDF document text
  • http://cafegreenwichvillage.com/uploads/files/fafukosowiloxope.pdfIn PDF document text
  • http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/tuwofor.pdfIn PDF document text
  • https://rafaela-motores.com/userfiles/file/52263234417.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/16075f4912611a---67488050538.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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