MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links pointing to compromised websites, including WordPress upload directories and disposable hosting, suggesting a link farm or phishing lure. The presence of multiple external URIs and compromised CMS upload links indicates an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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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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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://smidgel.ru/uplcv?utm_term=funky+monks+guitar+lesson PDF link annotation
- https://dursunguney.com/userfiles/files/87048375216.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609654ceb05cc---12476702458.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160aa958a5c638---rovover.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0ee09e455---37787017523.pdfIn PDF document text
- http://bajajsports.com/userfiles/file/fufesabesuro.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db713005c66---82333525618.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/fh6nksegdjp3lmsbumdrc14vg0/90128450356.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd6d5254ccb---wiliselakojerode.pdfIn PDF document text
- http://ktcz.eu/files/files/saresevizabedirubowi.pdfIn PDF document text
- https://universal4shipping.net/userfiles/file/61808691177.pdfIn PDF document text
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c58925ee2ac---lojejixujagawakatuzovo.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/2dbef034e187260eb86a0ddb2d4285eb/gikiwotu.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/10bb53a495d7568bbb8c83c0501e0b41/18509034452.pdfIn PDF document text
- http://esrafisek.com/images_upload/files/36590746640.pdfIn PDF document text
- http://viewcs.com/partner/upload/dextfile/riwamuzubo.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1b6ae8e887---49535329546.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb74c5a710---52128630089.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/616re1ufg0b2sste1dt7jcqsgv/37093680973.pdfIn PDF document text
- 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_off0000ffb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFB5 | 17428 bytes |
SHA-256: 62654027a015ce4469d9e33182b8449371ef7e714bdcbb4b174fb36b2cf187f9 |
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font_01_sfnt_off00012d02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D02 | 10732 bytes |
SHA-256: b6b9b00c63e22f566d72186def991f994e09da8a619b68b3a31f4916110b200f |
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font_02_sfnt_off000145b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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