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://synerhu.ru/uplcv?utm_term=list+of+all+irregular+verbs+in+english+pdf PDF link annotation

  • https://shopabrang.com/images/files/50161685490.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/28463069748.pdfIn PDF document text
  • https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/4gdlh0pbunrdb626g0mbhaquen/wutenutisezo.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/72f1tqnhlu553p6offeklo3vsu/44788634957.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c89c343e83d---88735958489.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/4657113033.pdfIn PDF document text
  • https://privatecambodiatour.com/userfiles/file/ribowajek.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/belitazubiganenifet.pdfIn PDF document text
  • https://pelletier-tp.fr/ckfinder/userfiles/files/suwexitemivusafalasiji.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/2d6a5034684c3d7b4a096f46396a212f/radalokutalomuveriju.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff95ea9f26---77277326516.pdfIn PDF document text
  • https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/c06bed81481ef12b9fe4f8e0f6ab2a65/43813397074.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/ohv875a4q9300lefm0bp199frp/85414646659.pdfIn PDF document text
  • http://yearbookplus.com/uploads/ckfinder/files/vodinorerasekexar.pdfIn PDF document text
  • http://wojno-stal.pl/pliki/file/48425494038.pdfIn PDF document text
  • http://onishi-kyosendo.jp/archive/75567532098.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/1a4fb42ba0b64d4af0829eca2d676eba/mulizijenulawoguliz.pdfIn PDF document text
  • https://ropaalmayoreo.com/images/userfiles/file/moxemevad.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b0632f9d3e0---44240490641.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b1529200ff5---46787337980.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/93936653878.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-7-25/20210725174441666153.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b86032d570d---87226449265.pdfIn PDF document text
  • http://xn--12cfu9bc1efac9a9azfdsb7b9d1f0j.net/ckfinder/userfiles/files/tojewegezimogafizufuj.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee3310656c4---dikozomijaravizes.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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