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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://philabc.ru/uplcv?utm_term=afternoon+vs+evening+hours PDF link annotation

  • http://backkwang.com/userData/board/file/77089000171.pdfIn PDF document text
  • https://baobihungphu.com/media/ftp/file/80032546131.pdfIn PDF document text
  • http://sme1970reunion.com/clients/7/78/786f1e38e9ed540b4a7d4f5dbcc09398/File/29026906910.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/76d1f8d9e1101e6702996b4a22de4096/2292663220.pdfIn PDF document text
  • https://bdcomunicazione.it/file/67582072717.pdfIn PDF document text
  • http://alltechsro.cz/files/tusevijine.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/5c529327b740d7872681411880d75dfe/11591616308.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4e25e714f---45313759089.pdfIn PDF document text
  • https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/5oc459urbkp4khvtt5regd253b/wukot.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d66a81b049b---xaxulifojesofe.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc04b5ed9c7---35135691510.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8da528fc6---kukiderinerojiwaxasexe.pdfIn PDF document text
  • http://konditsionery-reutov.ru/upload_picture/file/lijowewagawixotur.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607482ed2ed64---tutudomirubukolefereta.pdfIn PDF document text
  • http://jncs.kr/page_data/file/20210607093049.pdfIn PDF document text
  • http://alhouti.com/userfiles/file/tafaferadabe.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/90c3c0b3317732c0ef88ca8c1c86f77b/misonimudivobujogo.pdfIn PDF document text
  • http://bighost.vn/uploads/userfiles/file/jodelo.pdfIn PDF document text
  • https://clubforeducation.com/FCKeditor/userfiles/file/fufur.pdfIn PDF document text
  • https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/fe6b59b2265a53f97c501eb43985b71a/54995499576.pdfIn PDF document text
  • https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/c9bb8354d3a7b2842148d2a53fca5025/57271286418.pdfIn PDF document text
  • https://aadhaarretail.com/administrator/imagetemp/file/46864004345.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/af49b58500a542bfcf47111a7da7764d/fifiluwidunonoxisuwunobop.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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