MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. A critical heuristic indicates the document attempts to trick the user into copying and pasting content into a command-line interface, suggesting an attempt to execute a second-stage payload. The document also contains numerous links to external PDF files hosted on various websites, some of which appear to be compromised.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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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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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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://aspirans.com/files/file/lagasivax.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a03ff95c1be---64219995032.pdf
- http://sbsinternationalschool.org/sbsisnew/userfiles/file/79476632257.pdf
- http://www.thaiboat.net/image/upload/File/rorikap.pdf
- http://originalcheck.it/public/img_admin/file///93320708630.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/1mkpj47uaa269s1emhphk0v856/36802882004.pdf
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ca4e7963d---35176398029.pdf
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/ms49mucslski8l6m6fnvout4p6/mabulitabidigavojew.pdf
- http://anandtouristcorporation.com/uploads/17496579132.pdf
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c0103e50ece---16759666644.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b1a29dc2d79---25381001017.pdf
- https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/tu2d9dafba37tdpakmascgrh53/44284053858.pdf
- https://ipic.vn/userfiles/file/34972502967.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086053ccf4ce---xigupokitonosafi.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/61c05jk8nllb6l8c6rs6t0hl5c/zudosarovubitizokorus.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8fd81c49c---29781241044.pdf
- http://maszyny.pl/userfiles/file/91325481935.pdf
- http://www.prieteniitehnicii.ro/documente/file/pokovof.pdf
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160cc841f34a98---pezibizexedakixixupabe.pdf
- http://hilltop1976.com/clients/24685/File/puxojodotenujulojinubub.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/2ms4pv8dc180i77iq36mripknn/45375920251.pdf
- http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d80752613b---jerixesebewawobulo.pdf
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/8e92b99c0dd46038f6088a53f10d723b/24965287650.pdf
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/82113b02bba310e653d622d6a4a303e9/borep.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=dll+meaning+computer
- 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_off0000cefe.bin84da85ff092edc05a0e5007930c273b66fa1411b0a3f04696f28947cedbc6c06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEFE | 17096 bytes |
font_01_sfnt_off0000fb34.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB34 | 16792 bytes |
font_02_sfnt_off0001134b.binfaf2d03b71ad1fcca2c30cb685cda04a0f27f54a38e836ab2a56f48e4a7144e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1134B | 10652 bytes |
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