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
• 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.
• 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://tizemafuniture.weebly.com/uploads/1/3/4/6/134636649/sapijokelewo.pdf In PDF document text

  • https://zutijuxugovoxi.weebly.com/uploads/1/3/4/6/134684331/buxonesu.pdfIn PDF document text
  • https://sogegagep.weebly.com/uploads/1/3/4/6/134687839/4331591.pdfIn PDF document text
  • https://nosisakapu.weebly.com/uploads/1/3/4/7/134773138/mawopudugibu-vuzozo-woguxenugilir-ropokawinope.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16222d25d10a26---ninezomopovurumo.pdfIn PDF document text
  • http://cainghienbinhduong.com/uploads/userfiles/file/5154756260.pdfIn PDF document text
  • https://jakowizuza.weebly.com/uploads/1/4/1/2/141249634/9080a9ad3114.pdfIn PDF document text
  • https://tewosafaxuw.weebly.com/uploads/1/3/1/3/131379700/6040110.pdfIn PDF document text
  • https://nolipugi.weebly.com/uploads/1/3/4/6/134652161/gejigevikaxixem.pdfIn PDF document text
  • https://fetoviwenibade.weebly.com/uploads/1/3/4/7/134701039/b95e0e6e0b.pdfIn PDF document text
  • https://wirosumarot.weebly.com/uploads/1/3/1/3/131398493/ca26049738f43.pdfIn PDF document text
  • https://galevegu.weebly.com/uploads/1/3/4/5/134507196/5785321.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/34328033847.pdfIn PDF document text
  • http://metaphorcreators.com/kcfinder/upload/files/53285608816.pdfIn PDF document text
  • http://0vote.com/ckfinder/files/mepinaredofemas.pdfIn PDF document text
  • https://gakikodokuni.weebly.com/uploads/1/3/1/8/131857060/7ad305e.pdfIn PDF document text
  • http://ambvetsanprospero.eu/userfiles/files/ganezokesilopofep.pdfIn PDF document text
  • https://fuvewoziju.weebly.com/uploads/1/3/4/8/134883365/wozarulumod.pdfIn PDF document text
  • http://tlw.ro/UserFiles/file/44806957486.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/162356e4a39266---madekaxujanopenepete.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161fe8a30202b1---zesobekerefelukeketa.pdfIn PDF document text
  • http://firsttimehomebuyerstudy.com/images/file/76557696817.pdfIn PDF document text
  • http://gktizein.gr/kcfinder/upload/files/8741975029.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16243f011d4e05---nokumoneridefonez.pdfIn PDF document text
  • https://loheb.co.za/YmrXLWy8?keyword=el%20error%20de%20descartes%20antonio%20damasio%20pdfPDF 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 extracted file (font_00_sfnt_off0000cd4f.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000cd4f.bin)

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