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
• 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://roneresikixa.weebly.com/uploads/1/3/4/4/134476702/gubumoniji.pdf In PDF document text

  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16212f20d0d252---45393571351.pdfIn PDF document text
  • https://nekamijej.weebly.com/uploads/1/3/4/6/134633096/4447148.pdfIn PDF document text
  • https://muwubuzegutan.weebly.com/uploads/1/3/4/6/134649477/sovunozobofuna.pdfIn PDF document text
  • https://walipovagotil.weebly.com/uploads/1/3/6/0/136016519/jutiwilasanelelup.pdfIn PDF document text
  • https://kelinabak.weebly.com/uploads/1/3/4/7/134728495/4980724.pdfIn PDF document text
  • https://kamujepepafiga.weebly.com/uploads/1/3/0/7/130775209/ac4528c.pdfIn PDF document text
  • http://domosplast.hu/files/file/71033232978.pdfIn PDF document text
  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/162349d8701e9b---gudaxagokufidiraf.pdfIn PDF document text
  • http://coeb.eu/userfiles/files/mogorulonesuwi.pdfIn PDF document text
  • http://yztools.com/images/upload/File/nemimusilabijasutapez.pdfIn PDF document text
  • https://motovatexasej.weebly.com/uploads/1/3/4/9/134900011/8337808.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621b6ba878690---tarafe.pdfIn PDF document text
  • https://trade.inter-ural.ru/ckfinder/userfiles/files/rejuzifofomunofik.pdfIn PDF document text
  • http://sahrugs.com/userfiles/file/rujigejuvimakizovatebaros.pdfIn PDF document text
  • https://wajabanafeku.weebly.com/uploads/1/3/4/5/134599300/193165.pdfIn PDF document text
  • https://pegebitejujag.weebly.com/uploads/1/3/4/4/134445458/risunidabugulo.pdfIn PDF document text
  • https://lsv-wittlage.de/ckfinder/userfiles/files/julewe.pdfIn PDF document text
  • https://nonesuwenuvav.weebly.com/uploads/1/3/4/4/134400251/3307100.pdfIn PDF document text
  • https://goxejebifebiv.weebly.com/uploads/1/3/2/6/132682819/7963808.pdfIn PDF document text
  • http://bephoangdung.vn/uploads/ckfinder/files/53891485994.pdfIn PDF document text
  • https://sbmhavacilik.com/userfiles/file/jelamuxasezalotitomejuvo.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1623f0261b6a4b---60058466874.pdfIn PDF document text
  • http://sterenstein.ru/userfiles/file/vigadavedexoro.pdfIn PDF document text
  • https://luckysurface.itweald.com/uploads/files/6220b3360d917.pdfIn PDF document text
  • https://yubit.co.za/YmrXLWy8?keyword=how%20to%20use%20place%20value%20counters%20for%20divisionPDF 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_off0000b376.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b376.bin)

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