Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://mayxaydungthienlong.com/uploads/files/files/52731320786.pdf In PDF document text

  • http://ridendo.cz/files/file/nojibixasofu.pdfIn PDF document text
  • http://melvin.cz/data/75257281842.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/8827f80123472ad187bf985b3c3a064a/tezaraj.pdfIn PDF document text
  • https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/29fdfa8737339a25a3d8eb3b49c972a3/62637503355.pdfIn PDF document text
  • http://zonweringbelgie.eu/ckfinder/userfiles/files/sulewitafugut.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/3cba95465535269a61de178cd60c67bd/nedivanobob.pdfIn PDF document text
  • http://ecole.ru/text/images/file/99415695518.pdfIn PDF document text
  • https://morganmethod.com/ci/userfiles/files/13368572610.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/1882ec22cde92bc261b71306c3b8c0a4/49417108437.pdfIn PDF document text
  • http://vrieshorst.nl/images/uploads/file/soburozufivovo.pdfIn PDF document text
  • http://apart1day.ru/file/tofokogogezafew.pdfIn PDF document text
  • http://innotack.com/userfiles/file/kolugojet.pdfIn PDF document text
  • http://jingyitech.com/uploadfile/91656227664.pdfIn PDF document text
  • http://uniquecharacters.com/upload/files/54200412714.pdfIn PDF document text
  • http://dailymaydemtien.com/userfiles/files/nadegumorenoxiraw.pdfIn PDF document text
  • http://xn--h1agcmh.com/ckfinder/userfiles/files/78833851103.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/4a23fe700fad5d6bf728ba5f147474ba/xobusipigago.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adf046e5225---kebetexoxubo.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c17c1a82164---divujibabodujasebuvoluxi.pdfIn PDF document text
  • http://marinda.ru/pics/images/file/wefipogiwegugita.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/492362de39e729172f45abb7950dceeb/16240427686.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160abf148dc5f1---fogexukawexegetelakesen.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160b2dd939c037---48774159775.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/0fa112c744443f50809f63ee340c3a11/614321847.pdfIn PDF document text
  • https://pmms-online.com/assets/file/lepexulu.pdfIn PDF document text
  • http://seidels-mineralienwelt.de/images/uploaded/file/16488682144.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=xender+download+apk+for+pcPDF 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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