MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high probability of malicious intent. Heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress sites. These links likely serve as lures, potentially for phishing or to download further malicious content, aligning with the characteristics of a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=noun+checker+online PDF link annotation
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ff9098746---lopijizel.pdfIn PDF document text
- http://jtour.vn/userfiles/file/viraroronono.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad9b6d7676---kisibajabefaletiwi.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/08d810b40310384817e49254e15eea81/76570264591.pdfIn PDF document text
- http://envigest.cz/upload/file/nofabunimagun.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa0ed62aaf---42923675224.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6c7cafc51---ririrewowom.pdfIn PDF document text
- https://mednet.mk/public_html/upload/userfiles/file/xitaguramexoduvabamezubur.pdfIn PDF document text
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a865c189270---84618868149.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/62a136f02cc4a610bfdc5639813cd45b/xetodel.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/687e1dc3e03cb2783b697c433bdbefd8/bakovujadopegolazagi.pdfIn PDF document text
- http://goref.ru/files/file/46883233779.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/j81t33gfm77n24j9fla0u79dti/34046465565.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/dukurigu.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/n3j8lj2424lq9pqh29ob6l5lca/sefef.pdfIn PDF document text
- http://sanitaerprofi.ch/fckeditor/editor/images/file/46874463464.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/6648f518adf3a6641721fb203063595b/61065303263.pdfIn 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_off0000e5b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5B0 | 4532 bytes |
SHA-256: 9cb4838861a28201eea325780144c1971dac7b558e2c96e9d27214d11981e0e1 |
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font_01_sfnt_off0000f517.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF517 | 10620 bytes |
SHA-256: 37bdf80ec6b653baa476793a420aad39f70c33e074026c56d99528be0e336180 |
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