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. The document contains numerous links, many pointing to compromised WordPress upload directories, suggesting it functions as a link farm to distribute further malicious content. The presence of external URIs and the overall structure point towards a phishing or malware distribution scheme.
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://catamma.ru/uplcv?utm_term=pride+and+prejudice+2005+watch+online+with+subtitles PDF link annotation
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/1f29f7a5bcd78f09ac05bf9114cd8c5b/91146326572.pdfIn PDF document text
- http://www.aqsclimited.com/EditorImages/file/56725453384.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099480428105---73160764631.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fdffb20873---benowowatalogura.pdfIn PDF document text
- http://poiskvod.ru/images/file/83968609953.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/09f43806d07a9e9bc1388c14861ef32f/panino.pdfIn PDF document text
- https://bahamianbrewery.com/ckfinder/userfiles/files/41882825659.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/f7e1ee7de7a5ba0a5800dd4734d7e87f/20132280901.pdfIn PDF document text
- http://diysmart.net/userfiles/file/nefisedeva.pdfIn PDF document text
- http://pajurioverslas.lt/ckfinder/userfiles/files/gugavosejabidifita.pdfIn PDF document text
- https://binarbaidfabrication.com/public_html/userfiles/file/suranekufujoj.pdfIn PDF document text
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/06e5c2380495e5c47cfe43dc497c09b0/munodulet.pdfIn PDF document text
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca60fc0e50---49554632736.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/ecf51fa66ce1a6ae930287b94c6c9a21/kusibew.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1897d7c7bc---59873520417.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e40a1d5f75---palofitibobeko.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_off0000f69a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF69A | 5868 bytes |
SHA-256: 2ed2f6b3c457fed866b550cce24ab50f9e7ddb5dc3ac663015ee3326ce8ab6ea |
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font_01_sfnt_off00010a9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A9F | 11312 bytes |
SHA-256: cc5da27dcfe9464b9618cfcff4f7c985a45af850548e0a2533f9cf364b899af2 |
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