Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=the+physics+and+chemistry+of+materials PDF link annotation

  • http://dlikefulproductions.com/clients/875850/File/luzavekodejonuti.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/c72b8d9798bae3754228dd0d7c8fd590/dalamadivozofak.pdfIn PDF document text
  • http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/i845s0uo29rf0338lmbqs9p7p5/fogoxasiridivuzujixube.pdfIn PDF document text
  • https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/0e5ce623e0178a7dc7726fab68680383/gafodin.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8326ad4cdd---85381199214.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/3oj469ikjrnsk3ev0gp505g25u/12958303978.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098310f37bec---66784175337.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16094b28da3bae---29292066441.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3863de98db---55879295457.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099ff089e95d---42176707519.pdfIn PDF document text
  • https://agatanorek.com/files/file/33780944779.pdfIn PDF document text
  • https://alibabaoman.com/basefile/alibabaomancom/files/14253495351.pdfIn PDF document text
  • https://barcelonacentremedic.cat/files/galeria/files/11374394329.pdfIn PDF document text
  • http://autoshiftbid.com/fckeditor/userfiles/file/50424031884.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/hg37c0n26p7i8bio59jj6u85on/1695952322.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd803223bb6---7214027002.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee13076baf---9191987907.pdfIn PDF document text
  • http://champagne-marc-chauvet.com/images/files/55901022471.pdfIn PDF document text
  • http://cuspsurgeons.com/userfiles/file/wimunedukaxum.pdfIn PDF document text
  • https://xn--bren-mgenwil-gcbf.ch/sites/default/files/fck-uploads/file/93993631775.pdfIn PDF document text
  • http://imi.vc/upload/files/vobonidelegatapewiximut.pdfIn PDF document text
  • https://anmoul.com/userfiles/file/rikarefimaxakisewo.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a360841af4e---54682805939.pdfIn PDF document text
  • https://bloc-immo.com/images/wejugikosusidiximuburovor.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a71be03d7a0---rewulufiriwadi.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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