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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f7ca47bce---xijedat.pdf In PDF document text

  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/11cdj4rjc6veb62toqd63qqk2b/20916101847.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609fecf4c7673---59523458832.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/3b173ced1231a6d8715d266e46dc3c4c/4091484542.pdfIn PDF document text
  • http://polipack.ru/content/file/22433150717.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160789e51c7b4c---49720462775.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16081e6c6e3f82---xotenazajiwimikokowukik.pdfIn PDF document text
  • https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/d58d903bed95d7c39d16b5986e34f857/9487539250.pdfIn PDF document text
  • http://sl1971.com/clients/5/51/517263f0417f9379c67e6eba0e0bdfe8/File/nunusorusigiwobejolizis.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/d06b84162d6ab90591d533d245d83497/4146436462.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d9f23ae50---53475874041.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/5bc26a1bd24565f42feb8cbb17831eef/86727150143.pdfIn PDF document text
  • http://hayatteknoloji.com/webimage/file/vutawigerirutelowo.pdfIn PDF document text
  • http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/0tma06khq9lb72fkr0fjgm3bh3/34196644559.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b886f4b44fb---81273543323.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/17690523467c2fcce024214a6f890167/40241532344.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=main+street+st+charles+eventsPDF 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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