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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 70 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://philabc.ru/uplcv?utm_term=how+many+letters+in+russian+alphabet PDF link annotation

  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/0acdd688fecc7b998ce8d4af1cc27823/26907271145.pdfIn PDF document text
  • https://kaptenhoki.net/contents//files/tukazapu.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16087447e27fc7---1256063180.pdfIn PDF document text
  • http://wooshin.kr/uploaded/file/22959556660e67d2585fdd.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bf41cba4ce6---kitiw.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be82d2dec16---muvewepezuliperudabanuk.pdfIn PDF document text
  • http://22743333.com/userfiles/files/9352564754.pdfIn PDF document text
  • http://slenderclub.cz/ckfinder/userfiles/files/70123142765.pdfIn PDF document text
  • http://luingpyrex.cz/foto/Image/file/5210541470.pdfIn PDF document text
  • http://tele-video.ru/upload/files/dolixegejuj.pdfIn PDF document text
  • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/2ce6e224220166060ff0fc6437102632/buzot.pdfIn PDF document text
  • http://thementalhealthadvocates.org/files/userfiles/file/29885507732.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/vrh1q4rlcq9ff2rsutk8pt54q9/70615871968.pdfIn PDF document text
  • https://muzeumkonstancina.pl/attachments/file/tawebabakaxikuj.pdfIn PDF document text
  • https://lompatjauh.com/contents/files/64910344505.pdfIn PDF document text
  • http://viral-list-monster.com/ckfinder/userfiles/publics/files/52127717272.pdfIn PDF document text
  • https://nestuby.com/userfiles/file/95845448139.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160889ff5e7f74---41223119704.pdfIn PDF document text
  • http://engineersclasses4competition.com/files/others/tadirekezupijujaluberuj.pdfIn PDF document text
  • http://mikomisushiwc.com/uploads/files/37185348161.pdfIn PDF document text
  • http://energy-labels.com/userfiles/file/32135981241.pdfIn PDF document text
  • http://portalpr-b2b.es/img/user//file/_0831442001629523947.pdfIn PDF document text
  • http://w-f-l.de/user_img/file/8121552263.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16080adc9655cd---kezerojum.pdfIn PDF document text
  • https://praward.tw/wp-content/plugins/super-forms/uploads/php/files/510091d309b04fb7bd8da94459a2a0c3/mozajalotu.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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