MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating it is a malicious link farm designed to redirect users to compromised websites. Crucially, it includes a 'Clipboard command execution lure' heuristic, suggesting the document instructs users to copy and paste commands into a shell, a common technique for downloading and executing further malicious content. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 8
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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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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://crewmak.ru/uplcv?utm_term=available+wish+promo+codes
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/d7dfe49364b43c634d9da2aaff76deee/75214104775.pdf
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/dlhe7mdqr0m9g74fvpctoov5ld/35737564976.pdf
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/c528cf15b366ac7ef6a2b1fe9031e2a4/10979826141.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160852c305921a---81672623904.pdf
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/b93b18f22e5eb504d32b0ec65278570a/notukuzomajovevil.pdf
- https://accesoriosalmayor.com/images/userfiles/file/fikajepo.pdf
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/qlgvc40d4kvp8dss3nu3mq98uo/86839696584.pdf
- http://gymostrov.org/gymostrov/userfiles/file/18920359316.pdf
- http://historia-bfured.hu/userfiles/file/77648523327.pdf
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c4788cb18---59912957588.pdf
- http://cesnek-vysocina.cz/UserFiles/File/xafofosowi.pdf
- http://longvu.vn/Images_upload/files/45557854987.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/22fed19a1a476524d77b7090f2864b7e/32723158790.pdf
- https://vicotelecom.vn/static/source/images/file/bamas.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160721d89a3151---14539125499.pdf
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bd6d5afa1b9fb8821da955fba8a96d5f/laminimapaxinewelupavuvu.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/nr47r2ruv4j923cpf3b8i9k20r/begenukal.pdf
- https://ayurvedaemart.com/uploads/file/38871041603.pdf
- https://alkalacarservice.com/public_html/userfiles/file/22115840153.pdf
- https://jnvhardoi.org/ckfinder/userfiles/files/70827989314.pdf
- http://vangphugia.com/userfiles/file/kerewawobetiwibar.pdf
- http://graylegalservices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zuredisakagisizitalodato.pdf
- http://accessprecision.com/userfiles/file/46192925172.pdf
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/000b9635fba57108203516da0ccf5ab0/gadamurefutitujifo.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_off0000f039.bind0e9cf45584ab8e5d100460c7aa91cc1c9972c87ee1f08753e4ea75045539f89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF039 | 10852 bytes |
font_01_sfnt_off00010925.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10925 | 16792 bytes |
font_02_sfnt_off00012137.bin71f65f99bac3184b1741256661250236745dabed04759407cf54be3fcc305900 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12137 | 17488 bytes |
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