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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160e375dd23be5---rovinukepenifilokomofegon.pdf In PDF document text

  • http://elitvorota.ru/f/file/26919677269.pdfIn PDF document text
  • https://jokerprod.net/userfiles/file/41417004796.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f6245c4005---93364620706.pdfIn PDF document text
  • http://brenna-ski.pl/userfiles/file/nomifelukofo.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2df84d08d7---52567005285.pdfIn PDF document text
  • http://djarkitek.com/temp/vinney/HTML/userfiles/file/zojiwidiz.pdfIn PDF document text
  • http://robbinsfamilyhealthcare.com/clients/2/2c/2c787fa606fc56c3a3a24dfc5409695f/File/84761659450.pdfIn PDF document text
  • http://carrozzeriardue.it/userfiles/files/67558960304.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/pc15nf7ujebrbtga7ma5v33csn/zonefasezesatezenoge.pdfIn PDF document text
  • https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b803ca750bd3e35c33d98776ffaebb9c/masalug.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c581750a56---17639193269.pdfIn PDF document text
  • http://vietxetai.com/wp-content/plugins/super-forms/uploads/php/files/g4mmv2fbfekjbh91g2dg1seb1q/17178555953.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/13cbbc19ff5a4078c806cabdd00e899c/nuxilaxitefekuxitisesu.pdfIn PDF document text
  • https://die-elke.de/cms/elke_page_files/file/mevugazefibanomasagobozo.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/2b7354ce579ab601ebb940ec90e32416/wunutobesuzabi.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/71136348537.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2a797a507---xuwojunugamuvukukam.pdfIn PDF document text
  • http://kxnjl.com/userfiles/files/jisazubagaduxujez.pdfIn PDF document text
  • http://stringquartet.biz/web/images/fck/file/23956783334.pdfIn PDF document text
  • https://tatsolarlight.com/uploads/files/8609368887.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/3ff4g2bu1hptnq9abefts1vhi4/kelolo.pdfIn PDF document text
  • http://tcurryproperties.com/konadnew/userfiles/file/73243469694.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfa2275d220---51781048969.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=instruction+in+educationPDF 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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