MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs, many pointing to compromised WordPress sites, suggesting it's part of a link farm designed to distribute malware. The document body, though heavily obfuscated, appears to be a lure related to 'Apache tomcat tutorial pdf download', aiming to trick users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://crysiq.ru/uplcv?utm_term=apache+tomcat+tutorial+pdf+download PDF link annotation
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160758f5548622---30374951045.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d471bd8fa---62659880955.pdfIn PDF document text
- http://foodchemsino.com/d/files/xupemaguvupugoketumoluka.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/a622f88a2a64eacf874d2bbd4e21703d/rugatojidamuw.pdfIn PDF document text
- http://phuocthuan.vn/images/pic/file/vusemorujozefaso.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/7j74p792hdkq9mhbb8gku217p8/tujoralomipibiketewoz.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608766564188f---suxef.pdfIn PDF document text
- http://ownlines.com/upfiles/file/92441695671.pdfIn PDF document text
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f91f091c8---19283399711.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc23d6a4eb7---23978228691.pdfIn PDF document text
- http://adria-ex.com/images/blog//file/nemifapekusasapunib.pdfIn PDF document text
- http://ingenermarket.ru/userfiles/dabunokofozuju.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/5572536d5ab029b7a6302e7e50516901/buzevuvemoregeliruximisu.pdfIn PDF document text
- https://www.latentoac.com/portal/wp-content/plugins/super-forms/uploads/php/files/0h0kqhbfsrul97bmi1hm99h6jq/28505350383.pdfIn PDF document text
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/704e697936b83a6f7001d8f4ead9a2a6/97771544176.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c929ea26c09---xetujegixoxisosesab.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/784739a24bac790f2998b76f6d2beb47/kakotulusuxu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC59 | 5300 bytes |
SHA-256: 3efe80867d3bf8bb90dab10e4de46469fd67d22de5e4245ad3af14bebabf4470 |
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font_01_sfnt_off0000fe43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE43 | 11132 bytes |
SHA-256: 5f64c19e81681d243ad89ad3b126805e9c4d7d1d56af91c2c669a6b0f6c8db4d |
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