MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains numerous embedded URLs pointing to compromised WordPress sites and disposable domains, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://coretry.ru/uplcv?utm_term=best+app+on+firestick+to+watch+ppv
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/85e94078298d8bf3c2b861cddeb94740/wobeloxilawatuwitox.pdf
- http://caogenzhiben.com/filespath/files/20210909195311.pdf
- http://pomodorolennep.de/gfx/userfiles/files/24801942870.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/16ad6c326edbd0ac30e677e076f57524/bedifapidokele.pdf
- http://12shio5.com/contents/files/jefopatewoxeru.pdf
- http://lifeline-sports.com/files/file/mafamaguxigaze.pdf
- http://3bbb.fr/ckeditor/upload/files/20250712515.pdf
- http://kotolantopeni.cz/file/tutawezij.pdf
- https://7mark3t2-7aya.com/contents/files/44506286450.pdf
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kotozejisijuzutozog.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130afde87fb6---zejuvonami.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/161328a6112880---legesitanafabetidazurozo.pdf
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/a370b5201922ae6f7b30ea718f27f50c/51901734513.pdf
- https://menu2uplus.com/images/file/59206873008.pdf
- http://kajo-frings.de/userfiles/file/pazisijekixiberasupuwegu.pdf
- https://meesens.be/KrMee/Tekstverwerker/89241531654.pdf
- http://chinalabware.es/d/files/sunosedomitanuzodu.pdf
- http://fuhua.tumujike.com/assets/upload/files/202109060030138893.pdf
- http://provia-events.de/pics/fotos/1/file/10047057243.pdf
- http://bdsps.org/slbdavbatala/userfiles/file/19951441902.pdf
- http://benevolo.it/userfiles/files/bagin.pdf
- https://erdenet.mn/userfiles/file/wawesaz.pdf
- http://improntediteatro.it/userfiles/files/94635146932.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_off0000d61c.bin68771d332b03ea7e20f89b855703c1b24ebcd15ecd0acc4f3e30f6ac285c025a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD61C | 18388 bytes |
font_01_sfnt_off000105ee.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105EE | 16792 bytes |
font_02_sfnt_off00011e05.bin642bf1afb2fb7fa8d27c7d02aad2cc18f9da87bc04d8c32213ee40b9731cbeb0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E05 | 10828 bytes |
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