Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Travel-support phone-number stuffing scam critical SE_TRAVEL_SUPPORT_PHONE_SCAM
  Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
• 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://norin.co.za/YmrXLWy8?keyword=tipos%20de%20funciones%20algebraicas%20y%20sus%20gr%C3%A1ficas PDF link annotation

  • https://reko-print.cz/files/ckfiles/file/34011049510.pdfIn PDF document text
  • http://rintoyo.com/userfiles/file/22227807745.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1624c5915ac1c5---68385639817.pdfIn PDF document text
  • http://ccemax.com/js/kcfinder/upload/files/gupapekipebubixolexosuse.pdfIn PDF document text
  • https://burakizu.weebly.com/uploads/1/3/1/0/131070688/9111090.pdfIn PDF document text
  • https://www.monacruises.com/html/scripts/ckeditor/kcfinder/upload/files/gisuxaxesub.pdfIn PDF document text
  • http://business-plan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/77753570570.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621d0f735f80d---73904887820.pdfIn PDF document text
  • https://tumafivefaj.weebly.com/uploads/1/3/3/9/133999435/4867232.pdfIn PDF document text
  • https://vagafanuwojuxiv.weebly.com/uploads/1/3/0/7/130776749/foparoj.pdfIn PDF document text
  • https://misekijenag.weebly.com/uploads/1/3/1/3/131380320/kuwalimore.pdfIn PDF document text
  • https://nupejaxisolerez.weebly.com/uploads/1/3/4/3/134348845/peduronijaxovajasib.pdfIn PDF document text
  • http://dinapart.net/frontend/web/kcfinder/upload/files/59745180290.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/162314cf5af4b0---jirenolesodesikasuvofesip.pdfIn PDF document text
  • http://www.euro-fly.eu/userfiles/files/robaxukej.pdfIn PDF document text
  • https://xironudobavus.weebly.com/uploads/1/3/4/4/134461104/e213e39fb8.pdfIn PDF document text
  • https://fewibobukuk.weebly.com/uploads/1/3/5/3/135309281/mixasewumodixuv_nemuve_fofezi_xutowilowisepop.pdfIn PDF document text
  • http://www.admion.cz/upload/files/jagadapuxivopikerorebu.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1622329cda5eb5---tamez.pdfIn PDF document text
  • https://taybaite.com/userfiles/file/52627904434.pdfIn PDF document text
  • https://kegilosibumu.weebly.com/uploads/1/3/4/5/134513635/2727600.pdfIn PDF document text
  • https://vobilazi.weebly.com/uploads/1/3/5/3/135300702/kotiten-sewixi-nedunot.pdfIn PDF document text
  • https://possamaiferramenta.it/uploads/file/gasodakusukipufivedunuj.pdfIn PDF document text
  • http://ghinelliarchitettura.it/userfiles/files/17946284833.pdfIn PDF document text
  • https://gtsk.solar-napkollektor.hu/js/ckfinder/userfiles/files/sazedizuposafi.pdfIn PDF document text
  • https://2winit.com/Files/files/gukaganogilekaxizosebiz.pdfIn PDF document text
  • https://zatenumidepav.weebly.com/uploads/1/3/0/7/130776458/306478528277f53.pdfIn PDF document text
  • https://rugsdirect4u.com/uploadedfiles/file/dizosuluxa.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 extracted file (font_00_sfnt_off0000b7d0.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b7d0.bin)

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