MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous external links, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' reinforces this assessment. No scripts were extracted, but the overall structure points to a lure document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://cructi.ru/uplcv?utm_term=7+day+healthy+eating+plan+pdf PDF link annotation
- https://juegosinflablesarizona.com/files/lunuwuxopenezateminidun.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/rt7u9bc6o9scemka2q6frjg4fh/samudezir.pdfIn PDF document text
- http://lawngo.net/fckfiles/61060892300.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082858117b78---78405090120.pdfIn PDF document text
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/dalukeguduzetinewive.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8c07d29d0---87509685023.pdfIn PDF document text
- http://yaeram.com/userData/board/file/69913191147.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607c34938c1f7---6842849992.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608d8a626dc87---gibevifewibajitevobuga.pdfIn PDF document text
- http://thetestmag.com/userfiles/files/14307778537.pdfIn PDF document text
- http://clear-es.net/yamituki-n/uploads/files/xajunagofejogenuwu.pdfIn PDF document text
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608f49b67d5d0---kavudademi.pdfIn PDF document text
- http://chukysovin.com/img-svc/files/mavogowufofewofimuwin.pdfIn PDF document text
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/vizunizunat.pdfIn PDF document text
- http://24cvety.ru/upload/files/lafudetikata.pdfIn PDF document text
- http://amadpich.com/userfiles/file/wizenasozonivebuxirur.pdfIn PDF document text
- http://interwork.sk/userfiles/file/21457888878.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/89895587039.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a7143039759---xepujozewazup.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078178bf26ce---60122091596.pdfIn PDF document text
- http://1utilaje.ro/mm/file/difoduxu.pdfIn PDF document text
- http://llux.vn/uploads/files/kopedurusonenumujopubizi.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/lntj55mvaa4lv60rm263daqhm3/69711479629.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f3bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3BB | 16856 bytes |
SHA-256: c26943e5990e4d85e904a9676d5d2a549dc474e8e5d42a7cc4e37483fb2f5ce5 |
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font_01_sfnt_off00011fc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FC4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000137db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137DB | 10456 bytes |
SHA-256: 6e2240550bd8592c9a156a18f8853fd0b672a06db09faa8c4990347e612cd119 |
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