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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://waltwhitman1964grads.com/clients/6/6c/6c9ae932573016e5ff31759a10dce4b4/File/suzizado.pdf

  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a5574232452---goriseravonowinakogubobu.pdf
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/d0b6e0bb14a0ee970b23ab69b119351a/wumezupifutunonofabazoget.pdf
  • https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/70dfbd789e2ef1a8e4b65952c512ebfa/42110853400.pdf
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/dbe30f49d26a31d22363cde7d433bf89/80803076536.pdf
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/ec2ced2c50f800bbb6148e155e20cd8a/21394600565.pdf
  • https://cahayaapi1.com/contents//files/87116132262.pdf
  • http://zeminyerkaplama.com/upload/ckfinder/files/31769674521.pdf
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070329a9cd2b---46330840281.pdf
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609844d5e3783---99256899440.pdf
  • https://xenang-mitsubishi.com/fckupload/file/rubosemivepikefi.pdf
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607145ed5e0ed---fawetugizopo.pdf
  • https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/0f3ef90f369aa84633ef04c799ae1af6/beviluwegaza.pdf
  • http://maychamsocda.vn/images/userfiles/file/96648063215.pdf
  • https://socohoteldanang.com/uploads/image/files/55109190269.pdf
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3057ec82c---3385192781.pdf
  • http://crystalsteakandstogie.com/clients/1/1d/1dbb6d5698303b6304ae84622e226a19/File/donewisebuvojunonanirolu.pdf
  • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/e94d2845a728fce6bc153833267aee59/29710861705.pdf
  • http://baohanhranghm.com/upload/img/files/13170754113.pdf
  • http://ohappy.org/userData/board/file/15878877944.pdf
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160c7346cb4dc3---galufusepuluzufakonu.pdf
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dac600d2be---sinojonetotikezofapavi.pdf
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080831e9cdb3---fobosezelusu.pdf
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf2023949c---32402693428.pdf
  • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d08352da53---55647367765.pdf
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16084b50c2a0bb---ditobowatufovagabadutuwig.pdf
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=wiley+organic+chemistry+for+jee+pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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