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://mifuj.co.za/YmrXLWy8?keyword=jenkins%20.net%20core%20publish PDF link annotation

  • https://warubexe.weebly.com/uploads/1/3/4/6/134647576/a34548e436b61.pdfIn PDF document text
  • https://bitepurumuxuz.weebly.com/uploads/1/3/1/3/131378930/880243011b28b.pdfIn PDF document text
  • https://burakizu.weebly.com/uploads/1/3/1/0/131070688/jurudufiwosejuf.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/eccdc8e4f038ed84afb5b243167306f9/69254594783.pdfIn PDF document text
  • https://mekekusakelume.weebly.com/uploads/1/3/0/7/130776601/9bd591346a452c.pdfIn PDF document text
  • https://www.apsar.es/assets_back_office/js/plugins/kcfinder/upload/files/1274715131.pdfIn PDF document text
  • https://vujerige.weebly.com/uploads/1/3/4/4/134467486/wemezefit_wemogasowifeged_videdepog_gowuxulukewusaj.pdfIn PDF document text
  • http://bukharaalpharetta.com/sites/default/files/file/tanemetemonewujovixizodaj.pdfIn PDF document text
  • https://tixemuxizufog.weebly.com/uploads/1/3/4/7/134746981/viwesujovofolu-fapijewasavukid-zirorinogisi.pdfIn PDF document text
  • https://bojozavo.weebly.com/uploads/1/3/0/7/130740433/kufulakuwimuna_limasutotogevan.pdfIn PDF document text
  • https://kibirurifawejax.weebly.com/uploads/1/3/4/6/134610443/7942270.pdfIn PDF document text
  • https://xifupanudolegu.weebly.com/uploads/1/3/1/1/131164204/majekapodupuw.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/4fb91eca75dff6d8be73ae3ccd21c109/rikojuwanivuwapibudenafu.pdfIn PDF document text
  • https://sibozigoguxo.weebly.com/uploads/1/3/0/9/130969143/muluzibuzomufi.pdfIn PDF document text
  • https://zunitaxipef.weebly.com/uploads/1/3/1/3/131398356/vedelegoxexu.pdfIn PDF document text
  • http://veterinariacomportamentale.it/userfiles/files/9261098558.pdfIn PDF document text
  • http://mayfairplace50.com/kcfinder/upload/files/bikige.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/2t8pdoq6h1s0tdr58dtdp43ug5/5166787799.pdfIn PDF document text
  • https://bifuvabomefu.weebly.com/uploads/1/3/0/8/130814245/8349585.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_off0000bc81.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000bc81.bin)

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