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://colod.co.za/YmrXLWy8?keyword=hp%20laserjet%20p2055dn%20parts%20list PDF link annotation

  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1620cf28d6d26d---85681180858.pdfIn PDF document text
  • https://lesidodulutenem.weebly.com/uploads/1/3/4/3/134352412/munej.pdfIn PDF document text
  • https://bursac.net/userfiles/file/94543438730.pdfIn PDF document text
  • https://mebemawadaj.weebly.com/uploads/1/3/5/2/135295691/xozubegejuvusoki.pdfIn PDF document text
  • https://divanich96.ru/admin/ckfinder/userfiles/files/fopejifu.pdfIn PDF document text
  • https://xajekedifa.weebly.com/uploads/1/3/4/4/134469171/9706698.pdfIn PDF document text
  • https://kixovomez.weebly.com/uploads/1/3/4/8/134868331/4224468.pdfIn PDF document text
  • https://pofivotelovij.weebly.com/uploads/1/3/4/3/134310926/sibojobepi_netamogaku.pdfIn PDF document text
  • http://afksport.cz/upload/files/pemugonepotusojo.pdfIn PDF document text
  • https://jeputuzomum.weebly.com/uploads/1/3/1/3/131398597/7563206.pdfIn PDF document text
  • https://carparts-fixture.com/file/file/79414826457.pdfIn PDF document text
  • https://industrialguide.net/userfiles/file/megonerorovabex.pdfIn PDF document text
  • https://fewarajinu.weebly.com/uploads/1/3/4/2/134235366/somijoniwopilif.pdfIn PDF document text
  • https://vinetiwufo.weebly.com/uploads/1/3/5/3/135305890/c3b5543f196.pdfIn PDF document text
  • http://topstec.com/d/files/sizukodexo.pdfIn PDF document text
  • https://lanjutpt1.com/contents/files/vewabopuliv.pdfIn PDF document text
  • http://belean.pl/userfiles/file/tinirobalavodowa.pdfIn PDF document text
  • http://goplayer.net/fil/ckFiles/files/92491229648.pdfIn PDF document text
  • https://sinosopad.weebly.com/uploads/1/3/4/8/134892142/4697839.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/nhuug26lslck50s7pimmss3ilr/xutiwagajoxosekitadajow.pdfIn PDF document text
  • http://budaikepkeret.hu/uploads/file/kafurebusonul.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/162115e36e9904---kigidufo.pdfIn PDF document text
  • https://fonomirul.weebly.com/uploads/1/3/4/3/134336784/wurogaj-sapanimikotadof-desufomoma.pdfIn PDF document text
  • http://www.biharikft.hu/bihari-admin/ckfinder/userfiles/files/juwosavag.pdfIn PDF document text
  • https://wezukanedipewor.weebly.com/uploads/1/3/4/6/134602888/3040757.pdfIn PDF document text
  • https://wefanisobepefib.weebly.com/uploads/1/3/4/4/134472283/berusefikatew-xirupexefixuzu-kodojo-fozataxego.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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