Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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=differential+equations+applications+in+real+life+pdf PDF link annotation

  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa99760526---76984624956.pdfIn PDF document text
  • https://femagnet.com/upload/edu/article/file/liwalejefuwaz.pdfIn PDF document text
  • https://castilloexterior.es/ckfinder/userfiles/files/66776735888.pdfIn PDF document text
  • https://cvconstructionsgoa.com/pharma/admin/userfiles/file/detumizurejilinelowon.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070572ebcd0d---15299927897.pdfIn PDF document text
  • https://mexico-airport-transfers.com/ckfinder/userfiles/files/xutipapegakoxofoxuburigiw.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16073d0cc2492f---ralutosotodejaf.pdfIn PDF document text
  • http://hairtransplantmangalore.com/uploaded_files/userfiles/files/39560938409.pdfIn PDF document text
  • https://axlthailand.com/imagexx/files/73218615551.pdfIn PDF document text
  • http://fongyoskert.hu/userfiles/files/15486714698.pdfIn PDF document text
  • https://alshaabcoop.com/userfiles/file/1679565613.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609f9f9af205a---xutud.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/ba662479cff1a3340c97b90c873daee4/51677111947.pdfIn PDF document text
  • http://energyexcess.com/userfiles/file/53464616969.pdfIn PDF document text
  • https://belloverde.net/emailer/file/gogojufotivigi.pdfIn PDF document text
  • https://fenixfalt.com/userfiles/file/fusamalowumefidulu.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f21fb52be14---sexamunorosetonasir.pdfIn PDF document text
  • http://hotechike.com/files/files/tetes.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbafcdf19b4---3585970617.pdfIn PDF document text
  • https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/eu43gq75jgs31i37senugjih4n/84195143088.pdfIn PDF document text
  • http://torgoborud.org/images/file/88802069111.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160fb55adc7296---webimojobosupafit.pdfIn PDF document text
  • http://libertyquad72.fr/userfiles/file/34382460702.pdfIn PDF document text
  • https://sportsht.com/userfiles/file/21657700300.pdfIn PDF document text
  • http://gocchame.vn/app/webroot/img/uploads/files/pugaxigaxewesuka.pdfIn PDF document text
  • http://landroverbh.com/ckfinder/userfiles/files/26952330985.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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