Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Travel-support phone-number stuffing scam critical SE_TRAVEL_SUPPORT_PHONE_SCAM
  Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
• 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 http://chip-chup.hu/upload/file/183848684.pdf In PDF document text

  • https://grup-insaat.com/userfiles/file/repuvobagovujalolu.pdfIn PDF document text
  • http://futureinfashion.com/ckfinder/userfiles/files/34604643547.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620c1841f3817---fegipu.pdfIn PDF document text
  • https://tenusalawumuta.weebly.com/uploads/1/3/4/3/134332014/1157c.pdfIn PDF document text
  • https://vigiminalaxu.weebly.com/uploads/1/3/1/4/131454394/3096222.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621c0fa04440e---39717155682.pdfIn PDF document text
  • http://cannamelis.com/userfiles/file/tavijidefifipaliliwojega.pdfIn PDF document text
  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/60d88e14cf740a7147433b9b170f973a/ladesolalupiletunodir.pdfIn PDF document text
  • https://fuwanitawoge.weebly.com/uploads/1/3/4/4/134436239/pewesugeteb.pdfIn PDF document text
  • https://planet-for-events.de/userfiles/file/begadabevodomerewudurefe.pdfIn PDF document text
  • https://ssatripoli.org/userfiles/file/93832774103.pdfIn PDF document text
  • https://rotaxini.weebly.com/uploads/1/3/4/4/134499982/nuboxu-bekaj.pdfIn PDF document text
  • https://zoxexalibefan.weebly.com/uploads/1/3/0/9/130969973/logajanejojididit.pdfIn PDF document text
  • https://www.ekometal.com/kcfinder/upload/files/berusidowopawatenu.pdfIn PDF document text
  • https://lonodoxelu.weebly.com/uploads/1/3/4/3/134305804/jowizetaba.pdfIn PDF document text
  • http://drzwiukryte.pl/userfiles/file/31665377955.pdfIn PDF document text
  • https://newegys.egyseg.eu/ckfinder/userfiles/files/18710058330.pdfIn PDF document text
  • https://pejizaki.weebly.com/uploads/1/3/1/4/131437091/3333675.pdfIn PDF document text
  • http://sirindhorn.net/upload/File/27194596729.pdfIn PDF document text
  • https://mifuj.co.za/YmrXLWy8?keyword=how%20to%20factory%20reset%20plantronics%20voyager%20legend%20headsetPDF 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_off0000c78e.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c78e.bin)

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