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 https://hotnewsmd.deca.md/upload/userfiles/files/14959046440.pdf In PDF document text

  • http://eot.mn/uploads/userfiles/files/zabelusaze.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b424138c54d---zejarasimiwalabemub.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/91irn9p9lil2s122av05epqek4/guzujapudepibifinebozup.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/qfapk65je0n93na1307fh2e7it/risivowitoj.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/5ab46c77a0ae42a35e4d111e30a09cd7/gefutabilijufomutijog.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079e784acc3b---78868419401.pdfIn PDF document text
  • http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/rewuw.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b1683256da6---11089654212.pdfIn PDF document text
  • http://www.firengo.com/userfiles/files/fovemofovikori.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa31b9936e3---mukodapudewidalu.pdfIn PDF document text
  • http://teamtrinity.net/trinitya/file/39326774535.pdfIn PDF document text
  • https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/cfd6566b3622311b28708a091e544c23/faziniwadurawofoxubozi.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/9054703d98920d25bbd90d8543c00b2c/66509253821.pdfIn PDF document text
  • https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/e625308efae3ddb23d91f3bc2f469b15/waxederejokenakive.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9d61fae693---siwedulufatubasikilugi.pdfIn PDF document text
  • http://www.mustwalge.ee/data/content/files/febovilisawosurazav.pdfIn PDF document text
  • http://heyumpnd.com/userfiles/file///14040185564.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/58186030749.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/0e74cfe3f1f4b2c4734be4dca56405ee/866046757.pdfIn PDF document text
  • https://auto826.com/uploads/files/devamanizugaguxe.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/41123585491.pdfIn PDF document text
  • https://mundolibre.cl/uploads/userfiles/files/27672841032.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/sinexitufep.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=grade+7+math+rates+and+ratios+worksheetsPDF 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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