MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or trojan delivery via these 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://catamma.ru/uplcv?utm_term=paladin+press+books+pdf PDF link annotation
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/bd8fe754ddb2d962a2b25746e02f2050/43539545224.pdfIn PDF document text
- https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/mewuw.pdfIn PDF document text
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/irc5k15sdjqcufotl9r47mlu51/papediguvuxedolazek.pdfIn PDF document text
- https://empirepin.com/calisma2/files/uploads/sazogasexebeke.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160acfc48b36a7---52484726247.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a24e933f770---nulelupupuxul.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982bc083fb4---73138187042.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/ef3f365d36a2b3ed1cd635c5c8498090/mufimafatakog.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/b82ee1b482d5b9b6461c78b3d9fb3b6c/sibitivupulogaxuzijapugor.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608bcdb5c49e8---51466961971.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aa423003d47---34133878764.pdfIn PDF document text
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/e8266e6ed3900781464f664be47b1429/bajebutugenodiku.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b850a8e979f---49036749419.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160729df936180---fokaloniwunorunodat.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a509baddc8---julaxivib.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c27c8181ea---luboboxovebalorozowi.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_off0000e589.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE589 | 5240 bytes |
SHA-256: 8649b5f63a7ffe49475caa803b3d76a808c08594ee721d458693d538036df1e0 |
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font_01_sfnt_off0000f761.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF761 | 11060 bytes |
SHA-256: 2abbef0731c914ec318173601c6a8d77db0790427c3e7174a15e9375d601849c |
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