MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites and disposable domains, suggesting it's designed to lead users to malicious content. The presence of a link farm on disposable hosting further supports a malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 http://ikhmongol.mn/ckfinder/userfiles/files/zajesolaboguriragifenowa.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607da821691cd---22867880242.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081ac72b88a9---buzusamimuxo.pdf
- https://sailstudy.in/ckfinder/userfiles/files/xaguw.pdf
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/d62fa766d5263f2647ca070fb6f6b122/veletivib.pdf
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/ed76eb6955822a5d88545b30b6f713fa/89907734735.pdf
- http://ahlhy.com/uploads/file/010824299274.pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/49825e3cc37fb9efa6ccab9a9bcdb8e5/xileworofivi.pdf
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/830fe053a9f90e080dbde165e07781db/29965541534.pdf
- http://www.hussco-steel.com/husscofiles/files/kedipawefezuxo.pdf
- http://praguetransfer.com/files/file/67048846850.pdf
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/topuxosisaxovinadewidap.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160a603087426d---96994729972.pdf
- http://vinacafe-dalat.com/Images_upload/files/31697100236.pdf
- http://bertoniamministrazione.it/bertoni/public/file/29690673536.pdf
- http://toshiteriyakiburien.com/uploads/files/56489536881.pdf
- http://alvirne88.com/clients/71477/File/zesakedi.pdf
- https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/7a1d4f3f960370e64aedb6bdf73cae1e/tigatefomunezotap.pdf
- http://mimarathi.live/assets/ckfinder/core/connector/php/uploads/files/61912866668.pdf
- http://almar-bus.pl/userfiles/file/64526232997.pdf
- http://summithighschool1958.com/clients/71652/File/87966591207.pdf
- https://psfund.org/public/uploads/files/cms_files/56944349492.pdf
- http://liebherr-tr.com/userfiles/file/51676388075.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=el+mito+de+la+caverna+de+platon+libro+completo+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000111af.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111AF | 16792 bytes |
font_01_sfnt_off000129c6.binc2095d71f1901faae46a368ef86d05faba5fc587136240c09c1f26d7f75767d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129C6 | 10804 bytes |
font_02_sfnt_off00014257.binb9c3ea7d240cd7ed77128d3f18e33c73218959862271b96fac863e454668d737 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14257 | 18436 bytes |
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