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.
• 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.
• PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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://yoyep.co.za/YmrXLWy8?keyword=oppo%20udp%20205%20vs%20105d PDF link annotation

  • https://bugupoxe.weebly.com/uploads/1/3/4/8/134850066/7482f719.pdfIn PDF document text
  • http://pet.nfe.go.th/m_site/ckfinder/userfiles/files/ropenomakusadotaruta.pdfIn PDF document text
  • https://jotekonybakterium.hu/userfiles/files/nurixeleporejenedatipina.pdfIn PDF document text
  • https://gudaxukusakirip.weebly.com/uploads/1/3/4/0/134096244/a3351a7342.pdfIn PDF document text
  • https://tetufimaburovi.weebly.com/uploads/1/3/4/0/134098130/kakuzax-jaravoli-dujulowibon.pdfIn PDF document text
  • https://rativebexatu.weebly.com/uploads/1/3/2/3/132302992/wewoperezapa.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620534b16ef29---7832299754.pdfIn PDF document text
  • http://lonsdale.ee/tipikas/uploads/sisupildid/limupipolominaladakumuj.pdfIn PDF document text
  • https://www.kazaviaspas.kz/app/webroot/js/kcfinder/upload/files/tabatedewunorevoforidu.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/43b483a6e0356e807f1aa7f9eace7832/nugexokonaf.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/rdb95p0g5akm9ikm2c4v1iuai0/jizuroradomarosadejibexit.pdfIn PDF document text
  • https://zugogulubituwo.weebly.com/uploads/1/3/4/2/134266111/8203471.pdfIn PDF document text
  • https://fleschimmo.lu/userfiles/files/58353487902.pdfIn PDF document text
  • https://zugipevewepa.weebly.com/uploads/1/3/1/4/131483317/jezejexodokiratofi.pdfIn PDF document text
  • https://warelekinuti.weebly.com/uploads/1/4/1/3/141319245/9251518.pdfIn PDF document text
  • http://tai-yang.tw/taiyang/upload/file/rarunodozerana.pdfIn PDF document text
  • https://kuwuxegizeduki.weebly.com/uploads/1/3/2/6/132695805/xupigete.pdfIn PDF document text
  • https://sumijiluwovoj.weebly.com/uploads/1/3/4/2/134266387/c0c0a8.pdfIn PDF document text
  • https://xinemituvirow.weebly.com/uploads/1/3/4/1/134108685/mirotemazugom-xixudezularugup.pdfIn PDF document text
  • https://kexufufebir.weebly.com/uploads/1/3/2/8/132814170/nopobizib-dutugogapo-xevuwaximu-zimulirerojuvew.pdfIn PDF document text
  • http://cncforginghammer.com/d/files/21652308808.pdfIn PDF document text
  • https://moulindelarroque.com/userfiles/file/pulow.pdfIn PDF document text
  • https://xulisonifob.weebly.com/uploads/1/3/2/6/132695361/4782626.pdfIn PDF document text
  • https://tewedarutomos.weebly.com/uploads/1/3/2/3/132302993/7166413.pdfIn PDF document text
  • https://duxupapumi.weebly.com/uploads/1/3/1/8/131856851/eabdc86.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 extracted file (font_00_sfnt_off00010ae8.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00010ae8.bin)

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