MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which are hosted on compromised websites or disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of multiple external URIs point towards an attempt to leverage search engine optimization or user trust in seemingly legitimate links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://garglob.ru/uplcv?utm_term=android+studio+deb+package PDF link annotation
- http://www.gieskestukadoors.nl/ckfinder/files/files/tukutazejodovotete.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150884136936---74922298070.pdfIn PDF document text
- http://divapharma.com/uploaded/file/28665756017.pdfIn PDF document text
- https://taybaite.com/userfiles/file/weroxegipunopuwogureban.pdfIn PDF document text
- http://www.pirkitpadangas.lt/ckfinder/userfiles/files/70034332981.pdfIn PDF document text
- https://myshalewell.com/userfiles/file/munovup.pdfIn PDF document text
- https://media-get.ru/userfiles/files/perurenegapev.pdfIn PDF document text
- https://gtselect.fr/ckfinder/userfiles/files/ligenajasilegizago.pdfIn PDF document text
- http://hibertek.com/image/files/20210925_102824.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f704931f4e---suvesew.pdfIn PDF document text
- http://thegioioto.store/upload/files/70804364285.pdfIn PDF document text
- https://zooiguana.pl/app/webroot/media/files/vafijuxepuzup.pdfIn PDF document text
- http://global-leasing-management.com/uf/file/17440190978.pdfIn PDF document text
- https://yauspeshen.com/ckfinder/userfiles/files/34952007926.pdfIn PDF document text
- https://bizimpin.com/calisma2/files/uploads/famomopakomidinas.pdfIn PDF document text
- http://gemcom.org/userfiles/file/35575920481.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161466e1f8deca---7259248342.pdfIn PDF document text
- http://tainanrup.longi.tw/uploadfiles/files/20210909_213443_3664.pdfIn PDF document text
- http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/pepaxi.pdfIn PDF document text
- https://projekt-lesen.de/userfiles/file/gimotagebojusogodabiwo.pdfIn PDF document text
- https://jungleflightchiangmai.com/Uploads/files/fikojurak.pdfIn PDF document text
- http://pttaccounting.com/userfiles/files/woniwunanezajawemosiku.pdfIn PDF document text
- http://mastervin.ru/files/file/98389873254.pdfIn PDF document text
- https://akemi.ro/hirek/file/75495118809.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b2cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2CD | 16436 bytes |
SHA-256: 563f6d89fcf88b12b9fde2ae0fcee7c48da47e49cc166790b4835eb9a2d8ab2d |
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font_01_sfnt_off0000dd0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD0B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f522.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF522 | 10956 bytes |
SHA-256: c5d3dc01295f697e15d9f2c690e1f234285d33fd9008fb4592d173478903b3b2 |
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