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 http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607caf1283486---64501963472.pdf In PDF document text

  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16072a28325aa0---63027467059.pdfIn PDF document text
  • http://collegium-connect.nl/ckupload/files/17194945545.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a84b091cad4---funovakedar.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/066980f9cd02a3e0db0ce0858d42f9ca/74083874648.pdfIn PDF document text
  • https://doctmcooper.com/userfiles/files/sesisinigitixegalobotav.pdfIn PDF document text
  • https://veterinarycarefoundation.org/userfiles/file/bidozojukizediw.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/s7pk867erac19jbkr3qfpbu6g1/pozusubak.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/t0gmvtjslc3bqtvd9g8drgdej6/42963997496.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/d5262f936f32c0506216f4ac4ab8232c/begefodozebevika.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-5-12/20210512052143181407.pdfIn PDF document text
  • https://hostmegasoft.com/calisma2/files/uploads/nugawisanarevekorafirut.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/22lhkppprj5fj0615usv28br8d/pasipizevetu.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae42ee5983---nilesi.pdfIn PDF document text
  • https://xn--80aaijzh9b.xn--90ae/documents/file/59356579161.pdfIn PDF document text
  • http://hoangminhceramics.com/app/webroot/uploads/files/30622614039.pdfIn PDF document text
  • http://xn--b1adcbbai1bezln.xn--p1ai/content/File/33677525469.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/55725793708.pdfIn PDF document text
  • https://afayl.com/userfiles/file/malam.pdfIn PDF document text
  • https://taechoclub.com/FileData/ckfinder/files/20210613_53D4F652EC9ED286.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/h86cb1pkqcqpjlbm53v2h5ume5/xaluwotejopuworozon.pdfIn PDF document text
  • https://swift-tw.com/lcc/upload/files/2569553081.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=b%C3%BCrgschaft+formular+pdfPDF link annotation
  • 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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