MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous unknown URLs strongly supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1610f2dc515d12---sexenu.pdf
- https://vocembalo.ch/userfiles/file/kodopowufub.pdf
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085ca94ddf4e---nefedukipibupemiwonizan.pdf
- http://stepasidemedical.com/images/uploads/file/61921084133.pdf
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/979da1aaacab4c5b7af70aacb096b0a6/vawodojefidupuwulewiremis.pdf
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/160803ff27ef7a---92316904384.pdf
- http://zonweringnederland.com/ckfinder/userfiles/files/90662246210.pdf
- https://angkortaxiservice.com/userfiles/file/77723986582.pdf
- http://csc025.com/userfiles/file/20210817112123_1onbih.pdf
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/37ftjt6ijs2dkesidadn3d4svc/jexijodolobalunenaz.pdf
- http://hyundaidongdo3s.com/images/files/98896300577.pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/5s0797j0pqakg3qfm4fd6usr32/tuvewotikejagarodove.pdf
- https://108pizza.pl/uploads/userfiles/files/rimawixuwa.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/8110d1c371f10c35c34e514c43e946ff/36695412751.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611950830ee2e---degoluzuvodirekipiti.pdf
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/odljkmipfjq1us3oda6bglgt24/62381574818.pdf
- https://minegociomiweb.com/userfiles/file/61448757095.pdf
- http://tvkinter.com/file_media/file_image/file/tarinoxuvoxadaki.pdf
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a02a24e1152---55783529577.pdf
- http://diacritic.org/travel/app/webroot/img/files/lenekidevoneno.pdf
- http://geredekombiservisi.com/userfiles/file/32488334292.pdf
- http://inphuduong.vn/upload/files/20582013550.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=middle+english+poetry+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_off0000e215.bin6fad27a6f6a48c9c7627d4c74eacd82f1685093e12273b7a15e5550f198d9a54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE215 | 18916 bytes |
font_01_sfnt_off0001137e.bin586e4616f6d32ccd05923c5283178a082c360429191893ce5faa0420f6bf14d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1137E | 10720 bytes |
font_02_sfnt_off00012bc4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BC4 | 16792 bytes |
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