Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Cracked-software lure uses shortlink/download gateway critical PDF_CRACKED_SOFTWARE_SHORTLINK_LURE
  PDF visible text advertises a crack, serial number, archive, or pirated-software download and pairs it with a shortlink or encoded download gateway. This is a high-confidence social-engineering carrier for unwanted software or droppers; the PDF itself is not a parser exploit.
• Cracked-software lure uses download-gateway redirectors high PDF_CRACKED_SOFTWARE_REDIRECTOR_LINK_FARM
  PDF contains multiple cracked-software/keygen/serial-key lure links together with long encoded download-gateway URLs or known crack-download redirector hosts. This is stronger than generic piracy vocabulary: the document is an SEO lure that funnels users through redirect/download infrastructure commonly used for adware, unwanted software, or droppers.
• PDF links to a cracked-software download doorway (base64-obfuscated) high PDF_CRACKED_SOFTWARE_DOWNLOAD_DOORWAY
  PDF's embedded link hides a pirated-software title as a base64 blob inside the URL path/query (and/or carries the ``download|`` doorway-template marker), rather than in visible text. This is a TCPDF-generated SEO doorway that ranks for software-piracy searches and funnels users to fake 'crack/keygen' download pages distributing adware, potentially-unwanted programs, or droppers. The base64 encoding is deliberate obfuscation to evade plaintext lure rules; the PDF itself carries no parser exploit — the risk is the linked crack-download destination.
• PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
  PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. 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
• 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://lehmanbrotherbankruptcy.com/predication/QWRvYmUgSW5EZXNpZ24gQ0MgMjAxOCBWMTMuMC4xLjIwNyBDcmFjayBbQ3JhY2tzTm93XSA2NCBCaXQQWR/goodison?envirascape=ZG93bmxvYWR8aTRtTVRReWMyZDhmREUyTmpJMk9EQXpPVEI4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk&malaysia PDF link annotation

  • https://kalapor.com/tareekh-e-pakistan-in-urdu-pdf-download-free/In PDF document text
  • https://www.lafree.at/wp-content/uploads/2022/09/Iso_110645_Pdf_NEW_Free_12.pdfIn PDF document text
  • https://www.15heures.com/photos/p/97087In PDF document text
  • https://xn--80aagyardii6h.xn--p1ai/cutlist-plus-platinum-v2009-5-5-with-keygen-link/In PDF document text
  • https://newsafrica.world/2022/09/soallombamapsi-hot/In PDF document text
  • http://mariasworlds.com/index.php/2022/09/12/wondershare-filmora-9-3-0-23-crack-registration-code-full-activated-top/In PDF document text
  • https://marcsaugames.com/2022/09/12/vinnaithandi-varuvaya-movie-with-english-subtitles-download-586-2021/In PDF document text
  • https://bodhirajabs.com/bangaloredaysmovie2021-downloadtamilrockers20/In PDF document text
  • https://heidylu.com/medeil-pharmacy-management-system-1-0-crack-2021/In PDF document text
  • https://www.riobrasilword.com/2022/09/12/4k-video-__link__-downloader-v8-1-1-2070-setup-crack-portable-keygen/In PDF document text
  • https://kongbeng.com/wp-content/uploads/2022/09/seiyal.pdfIn PDF document text
  • http://bankekhodro.com/qazwsx123456/uploads/2022/09/baixar_gratis_tratado_da_pediatria_nelson_portugues.pdfIn PDF document text
  • https://polegarage.de/wp-content/uploads/2022/09/Casio_Wk_3300_Usb_Midi_Driver_Download.pdfIn PDF document text
  • https://merbraha.com/wp-content/uploads/2022/09/Outlander_Dual_Audio_In_Hindi_720p_Movie.pdfIn PDF document text
  • https://slab-bit.com/paragon-hard-disk-manager-15-business-10-1-25-772-serial-key/In PDF document text
  • https://lacomfortair.com/rolling-stones-sticky-fingers-1971-rar-better/In PDF document text
  • http://ticketguatemala.com/wp-content/uploads/2022/09/vlaelly.pdfIn PDF document text
  • http://www.jbdsnet.com/?p=50725In PDF document text
  • http://mariasworlds.com/index.php/2022/09/12/wondershare-filmora-9-3-0-23-crack-registration-code-full-In PDF document text
  • https://marcsaugames.com/2022/09/12/vinnaithandi-varuvaya-movie-with-english-subtitles-In PDF document text
  • https://www.riobrasilword.com/2022/09/12/4k-video-__link__-downloader-v8-1-1-2070-setup-crack-In PDF document text
  • http://bankekhodro.com/qazwsx123456/uploads/2022/09/baixar_gratis_tratado_da_pediatria_nelson_portIn PDF document text
  • http://lehmanbrotherbankruptcy.com/predication/qwrvymugsw5ezxnpz24gq0mgmjaxocbwmtmumc4xljiwnybdcmfjaybbq3jhy2tztm93xsa2ncbcaxqqwr/goodison?envirascape=zg93bmxvywr8atrttvrrewmyzdhmreuytmpjmk9eqxppvei4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk&malaysiaIn PDF document text
  • https://fiverryourparty.wpcomstaging.com/wp-content/uploads/2022/09/The_Forest_Adult_Game_Free_Download.pdfIn PDF document text
  • http://www.tcpdf.orgIn PDF document text
  • https://fiverryourparty.wpcomstaging.com/wp-In 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/xap/1.0/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://www.aiim.org/pdfa/ns/extension/In PDF document text
  • http://www.aiim.org/pdfa/ns/schema#In PDF document text
  • http://www.aiim.org/pdfa/ns/property#In PDF document text
  • http://www.aiim.org/pdfa/ns/id/In PDF document text

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