MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. It contains a large number of embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these links indicates an attempt to facilitate phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://medvor.ru/uplcv?utm_term=justice+league+snyder+cut+tom+and+jerry PDF link annotation
- https://studio-september.com/wp-content/plugins/super-forms/uploads/php/files/c7a61d6cf898c3c0900765d8ce8818d3/2886526306.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a90a2d903d1---6694840258.pdfIn PDF document text
- http://fewo-spreewald-schoetzigk.de/brandenburgtag/img/editor/file/43434858046.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac106612e4e---zumupapenasubazet.pdfIn PDF document text
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/c59161f7f2d59f46548ddbaf2e70be77/nabofurupa.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/ulltv7g6mujf6l2qe1fsaufe4f/31892973563.pdfIn PDF document text
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160948eae5fe08---85423533888.pdfIn PDF document text
- https://afayl.com/userfiles/file/44334625287.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcaaa495b6---12829119054.pdfIn PDF document text
- http://domholidays.com/userfiles/file/40836195920.pdfIn PDF document text
- https://zahnersatz.pl/userfiles/files/petobefo.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/b8b54ed3a24226d5f7643e01a429ff4c/80310465705.pdfIn PDF document text
- https://majorsagilekvaros.hu/uploads/file/29721490027.pdfIn PDF document text
- http://aeronautike.com/userfiles/file/31064882988.pdfIn PDF document text
- https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/946b52bc76bc7001ccc18535281676c7/degamagalalukefiv.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e08b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE08B | 5428 bytes |
SHA-256: 85a869aeb762309b86e0af0c69dac62e23bc526364d2b78f0d26dc9a4fac0a0c |
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font_01_sfnt_off0000f2eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2EB | 1892 bytes |
SHA-256: 1fc12a375bcc3be3bb541ba0d2e75a9deb76d5cd30a42549199b3ff9798c8b1e |
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font_02_sfnt_off0000fc0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC0B | 12524 bytes |
SHA-256: 84b355e8ff1834890fa341788319680fb8ce8a608dca27bf2a8dc8b1c22e6c2a |
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font_03_sfnt_off00012534.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12534 | 16092 bytes |
SHA-256: 9af6fc3bf9d751f70540aea0fa47faa159a3604992cda23d2adcda3ffc5346b2 |
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