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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://philabc.ru/uplcv?utm_term=android+contact+photo+fullscreen PDF link annotation

  • http://ibshop.gr/uploads/_uploads/files/81295906411.pdfIn PDF document text
  • http://donateagift.eu/userfiles/file/sepazejexejibazakune.pdfIn PDF document text
  • http://mamnonhieutrung.edu.vn/ckfinder/userfiles/files/nobejefepusijefe.pdfIn PDF document text
  • http://corse.annuaire-regional.com/ckfinder/userfiles/files/27952321077.pdfIn PDF document text
  • http://hotelalbicia.com/userfiles/file/65686956686.pdfIn PDF document text
  • https://10s317.com/uploads/files/202109180929327623.pdfIn PDF document text
  • https://corpusbg.com/files/fck/file/letesurafufuzel.pdfIn PDF document text
  • https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/katalorufisitedupuvukof.pdfIn PDF document text
  • http://thayloilocnuoctaihanoi.net/upload/files/18377011417.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/8gchln2gkgt1qtqv3qngtbtvu1/litepiwadutavile.pdfIn PDF document text
  • https://ijfbacknumber.com/editor_up/sibovoxa.pdfIn PDF document text
  • http://origo.ws/userfiles/file/zariwoloxamuvafunawovumiz.pdfIn PDF document text
  • http://maszyny.pl/userfiles/file/vuzikoneja.pdfIn PDF document text
  • http://imprezka.2kc.pl/Upload/file/463962729.pdfIn PDF document text
  • https://wroclawmodelshow.pl/ckfinder/userfiles/files/15207754644.pdfIn PDF document text
  • http://www.startbatteries.gr/ckeditor/ckfinder/userfiles/files/didodimatevo.pdfIn PDF document text
  • http://ph-easycome.com/userfiles/file/mixilela.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/cc2151ad8acd6f890f6686788693bcd4/boxub.pdfIn PDF document text
  • http://zoldjogsi.hu/uploads/files/35538850056.pdfIn PDF document text
  • https://sealordhotels.com/ckfinder/userfiles/files/72925478551.pdfIn PDF document text
  • https://istanajp.net/contents/files/lugawi.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/buxeji.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/uv0jteaqofetp0em7jmlr9k4t6/72871307441.pdfIn PDF document text
  • https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/66608447019.pdfIn PDF document text
  • https://10s317.com/uploads/files/202109200258345290.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/161420b5044f85---tazolewuxex.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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