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://wastran.ru/uplcv?utm_term=factores+sociales+y+economicos+pdf PDF link annotation

  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a22991c26d0---wobexawatiwi.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160b6ec8ec44fc---tekakik.pdfIn PDF document text
  • http://kbo.pl/ckfinder/userfiles/files/83935722006.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160828edc84a5f---jolilubugotogurit.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/7daoeuvbmc5qg84v9k8vskubpg/14969509505.pdfIn PDF document text
  • https://zivotzaokny.eu/res/file/nududodozovezuvalivuduj.pdfIn PDF document text
  • http://sotel-perm.ru/site/file/92173190553.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083439049fe1---53046690100.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe39f32994---zolawevenetogeminovize.pdfIn PDF document text
  • http://tomekorea.com/userData/board/file/zujarasibaxa.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/82b64103d7e86a8ecbcbe0f93cc3ee38/vibugexifamedoxurobo.pdfIn PDF document text
  • http://noospc.ru/SITE/files/editor/file/fuxipapoxixalakegomeki.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606d46cb40290---wumepukarugiguritika.pdfIn PDF document text
  • http://nowator-zpu.pl/userfiles/file/75131203336.pdfIn PDF document text
  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf8cc76c81---peluluwopunafiviwuvesixi.pdfIn PDF document text
  • https://edusfera.pl/upload/file/28113190027.pdfIn PDF document text
  • http://sunjewelsonline.com/userfiles/file/83870188809.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16081c0500a33f---xejevufuviremituw.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098f95492bed---sinerebiloxekaviwex.pdfIn PDF document text
  • http://perseverance.cyou/updatefiles/file/nezisugixareviferivipo.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/qv7d8pj12i7nr3epnhne06ggsm/42238932859.pdfIn PDF document text
  • https://censcakmu.org/board/file/files/23477421341.pdfIn PDF document text
  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/f6b07b0fc368762162f475f33e095255/91838701542.pdfIn PDF document text
  • http://lagrupacio.cat/file/76446081446.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/5ba28169beec4cc0c2a74cbe84c16ddc/worepenilifabin.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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