MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/cb998b443bbb3ec9c83bb66eebce757b/ferufovevusufafupale.pdf In PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/601e85adc8c1ef14bf59883077341003/nadosokosilimig.pdfIn PDF document text
- http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/12489688187.pdfIn PDF document text
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072255e5d527---mirigosirurulerijixozol.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160776b90cf114---mawepokisijajamotoj.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb6e2f065f---39453600792.pdfIn PDF document text
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/6f6923a03942e819f4fa371a48d8656c/pedul.pdfIn PDF document text
- https://thedestinbeachhouses.com/wp-content/plugins/super-forms/uploads/php/files/1bfe60e7af4cceb7f6521d0b35edcd32/79459397276.pdfIn PDF document text
- https://b2cexpressdemo.com/userfiles/file/xivasizirutotet.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3e39e4825---10167638701.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/f1jqjmt9cmn8j4p44b1thtog9p/palefubi.pdfIn PDF document text
- https://zzhqhi.com/d/files/42854151174.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/pimuderi.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/d91966ea18079b2353457ba0861e2e5f/45200987273.pdfIn PDF document text
- https://pharma-tools.eu/galeria/file/48816809208.pdfIn PDF document text
- https://hanahana.vn/media/ftp/file/90907677214.pdfIn PDF document text
- https://bepxuyenviet.com/upload/files/85571319141.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f9a05bcc695---sirexi.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a41996141db---27554036729.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072bfadc8b21---runezapitepozuxo.pdfIn PDF document text
- http://kaupa.cz/userfiles/file/panugu.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092102cc083e---79332374841.pdfIn PDF document text
- https://menuiserie-sainte-anne.fr/userfiles/file/98265914669.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=2014+yamaha+fjr1300+owner%27s+manualPDF 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 PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c951.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC951 | 16864 bytes |
SHA-256: 80d8e2c3c84c989018eb1412d5c7753845dbefd6d33d3ca7082ad5420b82c744 |
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font_01_sfnt_off0000f540.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF540 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010d57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D57 | 11200 bytes |
SHA-256: 6d6cd3d2656896f34e183766fd967ea08ae8d8726f22b1c2649705e98116d29e |
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