MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and unreadable, preventing a deeper analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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 http://halmar.info/userfiles/file/65159381888.pdf In PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/3cf8fea28611c87c79b60aa5d7bbc6df/12493762455.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1610c358e6ce77---81061009360.pdfIn PDF document text
- http://agrion.org/upload/fichier/73772454936.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160fdb0f6b13b8---zunoxijezezezi.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/41380408212a7e322506c21755df537e/xuren.pdfIn PDF document text
- http://tokyoracing.hu/userfiles/file/41528153736.pdfIn PDF document text
- http://bukvoznaika.ru/ckfinder/userfiles/files/55885465262.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/qiaejlu6a98d1pvjvcp0qhmv3d/300559749.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/f0e2b6ff79721384f7aed9eee60add99/69091909446.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/rm9lm60938d65m73s1ojdgkmt3/30885637173.pdfIn PDF document text
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/0cafc146bbddf0a34a1ef97ac15b352b/97155920615.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/2758c7f0f9a4d76761c6a8f04756d9d6/95044866712.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d02c807b4004a047a08defbdad4e32bb/62125758688.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/20369937655.pdfIn PDF document text
- https://aadhaarretail.com/administrator/imagetemp/file/52358752537.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607946dc9025b---85411925549.pdfIn PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/5a7a56a8fbff077d0b2a3fcfdea8d19a/27488106755.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/fasoxer.pdfIn PDF document text
- http://trevelci.ru/ckfinder/userfiles/files/lajorepug.pdfIn PDF document text
- http://omeofest.eu/userfiles/files/rovuzidijofed.pdfIn PDF document text
- http://jagodkaprzedszkole.pl/userfiles/file/21326495837.pdfIn PDF document text
- http://packamate.com/userfiles/neramalokonirujamujir.pdfIn PDF document text
- http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/db649ec28f0e36f55ab08fc99eb0d046/depijoziwejedujak.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=the+veldt+pdf+bradburyPDF 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_off00011b94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B94 | 10496 bytes |
SHA-256: 0060f197c746a45ee5eeac0c3363597a8055b1310e9cc522827fb1bc49d15bc4 |
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font_01_sfnt_off0001335d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1335D | 17100 bytes |
SHA-256: 60ba81f8aca70e31be992013ff775a5a00d216c0166ead5b756b242679c2a0f8 |
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font_02_sfnt_off00015fa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15FA4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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