MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by a machine learning classifier and ClamAV. It contains a link farm pointing to multiple compromised CMS upload locations and disposable hosting sites, suggesting a phishing or malware distribution campaign. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of numerous external links indicates a redirection mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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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://adepotcustom.com/UploadFiles/file/20210616133002128.pdf In PDF document text
- http://svsteinfurth.de/radsportfiles/file/92088345345.pdfIn PDF document text
- http://tryinvest.eu/userfiles/files/lonanavaxijobak.pdfIn PDF document text
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/73580571f497bda2ccc96b99c3f2977c/86155149804.pdfIn PDF document text
- http://bielwod.com/userfiles/file/90088359742.pdfIn PDF document text
- https://plasy.com/uploads/file/45292605367.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/5eca8aa56dd5195bdcabc6eea1fb5c21/464527941.pdfIn PDF document text
- https://lederstuehle-shop.de/ckfinder/userfiles/files/xilerixokawel.pdfIn PDF document text
- https://pypconsultores.mx/userfiles/file/27975417385.pdfIn PDF document text
- https://hotnews.md/upload/userfiles/files/5969794385.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/c6537de9f46566c663ff5408dd0a3c1b/39222418491.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/onsnshdilfdqiuc1slfllgb1r0/18481419944.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608837a67da37---70442337423.pdfIn PDF document text
- http://shsuorui.com/uploadfiles/fckeditor/20210719/file/16267312607695.pdfIn PDF document text
- http://gursakaryahukuk.com/images/file/42422934796.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b3bf29d9e---vaguzawabi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=kandha+sasti+kavasam+mp3+free+download+cut+songsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cf4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF4F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e761.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE761 | 17296 bytes |
SHA-256: 64c2c89d92081449138c74b2412e67c400df4b3aec3d06685b3be77b3f3498b8 |
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font_02_sfnt_off000114d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114D7 | 11576 bytes |
SHA-256: 402ef04f35182bc2aa2d7370cbccd64005fb55aaf58259278a7912ca71b104f8 |
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