MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, indicating a link farm or phishing lure. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. The presence of external URI heuristics and link farm indicators strongly suggests the document's purpose is to redirect users to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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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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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://anmimar.com/royal/userfiles/file/vafaxinibisivuwubedij.pdf
- http://bualuang101.com/backoffice/upload/files/pilofogitefobogafot.pdf
- http://phone-server.com/userfiles/file/bagijilovewisez.pdf
- https://autosaloncenter.com/uploads/file/xulemexawabilo.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acbccea12aa---xuwidel.pdf
- http://sgyscom.com/upload_fck/file/2021-8-25/20210825132931526831.pdf
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/109ed5f1c50c277251ec9f250c2bcd41/83312903915.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/57b9112fcebbb77e09048b35e411c35c/70331773619.pdf
- http://baovevietnam-vnss.com/upload/file/gaseturexusejevegetew.pdf
- https://highlander-inn.com/assets/userfiles/files/57937695295.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/415aaf8c3bbd4b1a9dd0faf311b5d223/dusixewujoluzamotos.pdf
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0dc32cc30d---60588382863.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/vibjmbvgjs8urua66urhi596oe/zarugokaniseguko.pdf
- https://alshamiltrading.com/alshamilfiles/file/jifukasutobewuw.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609a799d0727b---2882071744.pdf
- https://glycocalyx.nl/userfiles/image/file/zowiw.pdf
- http://partnercable.hu/files/saligarobinixabiwudefi.pdf
- http://concilianavarra.com/userfiles/files/57319389970.pdf
- http://www.polni.si/Images/files/kuxogegod.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16092825b199eb---funipuzuzosugagut.pdf
- http://foxhill101.com/userimages/89264249653.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1b30e8071---valijalixeragokidenivoga.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611e60bbe920f---fanexidadud.pdf
- http://seasonsblinds.com/uploads/ckfinder/userfiles/files/68662095593.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=macro+excel+tutorial+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_off0000cf29.binaec3d34b0fc4eb19f4839f56fc689c2a4b8a64d43604444b6350c2e8d42f6fbc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF29 | 10536 bytes |
font_01_sfnt_off0000e74d.binf37c142169425317dec0801159c4d2556d92ca18bd484e6400132fb54639e4ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE74D | 17208 bytes |
font_02_sfnt_off000113de.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113DE | 16792 bytes |
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