MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many pointing to disposable domains or compromised CMS uploads, indicative of a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://upakuika.com/img/file/gunusulisor.pdf In PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/2c94e13c8df58940eacd00304821a007/dumitokiwomidimef.pdfIn PDF document text
- http://dienlanhlongan.com/upload/files/70238536761.pdfIn PDF document text
- https://tanhaithanhvalves.com/quangcao/admin/file/96558497348.pdfIn PDF document text
- https://ascii.tn/web/cgi/file/50651695860.pdfIn PDF document text
- http://philboyd.com/96228266312.pdfIn PDF document text
- https://shoppingplanet.ro/ckfinder/userfiles/files/rogeb.pdfIn PDF document text
- https://silverstonedevelopments.com/ckfinder/userfiles/files/95149266779.pdfIn PDF document text
- https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/rasojosemudatebapijupika.pdfIn PDF document text
- http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/58998020668.pdfIn PDF document text
- http://sakuragiramenandsushi.com/uploads/files/13796249548.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5f0a385b7---42162940408.pdfIn PDF document text
- https://ceccarbotosani.ro/userfiles/file/fotumisuwujedow.pdfIn PDF document text
- http://capitaldanceacademy.com/userfiles/files/99258628292.pdfIn PDF document text
- http://textstricker.de/benutzerdateien/vidujezev.pdfIn PDF document text
- https://ruiguoex.com/upfile/files/2021/09/17/seruposovak.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/h1l2827hcn1s0o2qjji5unhcbu/pixubuvetagikodekixudivit.pdfIn PDF document text
- http://hzeiger.com/userfiles/file/vebekokedobufolije.pdfIn PDF document text
- http://belniig.by/public/file/27074383937.pdfIn PDF document text
- http://jagdrevier.hu/upload/images/file/keborusizisusatirixegeg.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/121140f6b8a161da1e109ae8d30cd0c8/96487718029.pdfIn PDF document text
- https://pnp-studio.com/fckeditorfiles/file/88393575520.pdfIn PDF document text
- http://fruitvita.com/files/files/retenofamigunope.pdfIn PDF document text
- https://bedandbreakfastchia.it/userfiles/file/tivugoxawavuvunanodozax.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=the+immortals+of+meluha+book+pdfPDF 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_off0000b4f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4F3 | 10952 bytes |
SHA-256: 8df3d32f985c80e9b44c7ec7771965bea7b075b63eca9d353f21d42dca40936f |
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font_01_sfnt_off0000ce20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE20 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e632.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE632 | 15144 bytes |
SHA-256: 29767b1031716b5d6cf80b873d7ac8482b6e6eb76c6802c7de2ceee0c761ba99 |
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