MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV detecting it as a phishing trojan. It contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF itself appears to be obfuscated and lacks readable document body text, further indicating malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://pistant.ru/uplcv?utm_term=protocol+meaning+in+tagalog
- http://jfhconsultancy.nl/userfiles/files/zigejubaxubokufeponefox.pdf
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/uofgb5tqcdm7fl9a3fkbmmmm21/51843324349.pdf
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/16099f2d216cae---27143443057.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3173ec6fbf---rixuxupadukolofubud.pdf
- http://abpaluso.com/upload/file/xosunojuretirazotozedug.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd2c03b760---7290755814.pdf
- http://bestapp4u.com/admin/uploadedfiles/file/9732211444.pdf
- http://tw-go.org/files/dolefa.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/051a5168c3e0abf92dbe790ff59d984e/40392453956.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9e7444b77---24305369178.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609d76d336654---ruledidulejuvifi.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae6aa19dce---70366247829.pdf
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160b4864e40d33---48678037021.pdf
- http://hzbmsj.net/images/upload/File/21829781213.pdf
- http://auldskoolrocks.com/clients/878384/File/wuzofibanamenojejeve.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160928bfd85d85---bisulekodipuxurasojunur.pdf
- http://sciattella.net/images/file/68734483794.pdf
- http://www.investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/zifutujepobixagurasix.pdf
- http://ajtoablakcentrum.com/_user/file/80107684114.pdf
- http://cadelupo.it/userfiles/files/pinafukaboxeb.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/3f4l9rcgar94u7q3pndsvaqqb3/12170198008.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1b3d23d71b---fokuked.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/120701d545d20b66aeb030d3650b7405/zimudof.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_off0000eb22.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB22 | 16792 bytes |
font_01_sfnt_off00010334.binc450c0a47249d73ea2cefb920ac24438322ec652fab24dc76bafd401a9e2dc76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10334 | 17060 bytes |
font_02_sfnt_off00012f0c.bin9129c2c1b74223df982a3132207e21b611dc8ea276abd655f5c8d2ec23adfb89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F0C | 10408 bytes |
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