MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to compromised WordPress sites and disposable hosting. The document body is unreadable, but the overall structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612dce03c0be3---80672471631.pdf In PDF document text
- http://liqaa-lb.com/files/userfiles/files/63543416999.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1611b0ad56ce3a---75510391621.pdfIn PDF document text
- http://gestmase.com/media/images/file/tumugixukorarez.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/1babd6dd9733e26b1afeb2b19eb152f4/mefif.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097cdb094f8b---85811021803.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/f23554817ed3d5cb0d3a6ce11d68882b/40077109974.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/6f3b0309a9mf1sq4mg1qe7m7t5/ginonoxa.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098132658490---wiluzuravage.pdfIn PDF document text
- https://tanthueviet.vn/img_data/files/57534816382.pdfIn PDF document text
- https://meganimal.pt/site/upload/file/murixasonimazafubolewuti.pdfIn PDF document text
- http://bud-drog.pl/userfiles/file/39827907383.pdfIn PDF document text
- http://hayatteknoloji.com/webimage/file/62016324079.pdfIn PDF document text
- http://www.juniorcollege.cl/ckfinder/userfiles/files/nalosomaxowakudut.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/lalezizixu.pdfIn PDF document text
- http://cerezolorente.com/files/cerezolorente/_repo/file/99609535242.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/bbjncrkdlnm8ljqh2tv0q9rs82/kofimovuperu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=european+union+brexit+pdfPDF 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_off0000e679.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE679 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE90 | 10604 bytes |
SHA-256: ba4aaf66b65a32d9bb85fbd9b65fcc666ebeb1f22ea87009e7f179340987dacd |
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font_02_sfnt_off000116a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116A0 | 18304 bytes |
SHA-256: fe3ba5d7bb816d73fdd30e7705808b0737c30dff0fae4fd08d2ab7ae1d8bea19 |
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