MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The file's structure as a link farm on disposable or compromised hosting further supports its role in directing users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://oniceh.ru/uplcv?utm_term=historia+interminable+pdf PDF link annotation
- http://wasserentkalkung.at/ckfinder/userfiles/files/26980714903.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613fbd960b2a0---85572667816.pdfIn PDF document text
- http://tandartsindex.nl/images/uploads/74942524344.pdfIn PDF document text
- http://sun-apartments.pl/data/pages/31523487958.pdfIn PDF document text
- http://mathcountsoutreach.org/userfiles/file/netakoxawabagup.pdfIn PDF document text
- http://quiltingacademy.info/fckeditor/userfiles/file/boxigudevariwofogeso.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612efe48617c3---8199385406.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16139d30191b90---fipezojizivazuzikogu.pdfIn PDF document text
- http://vp-dmsh.ru/admin/ckfinder/userfiles/files/28241872494.pdfIn PDF document text
- https://amgaa.org/temp/files/mujuvi.pdfIn PDF document text
- http://ky-auto.com/uploadfile/files/71008650987.pdfIn PDF document text
- http://zzquansu.cn/d/files/tapev.pdfIn PDF document text
- http://aallergy.netlovestories.com/upload/files/lokexajaz.pdfIn PDF document text
- https://thuanxuongmonmb.com/admin/webroot/upload/image/files/97394915855.pdfIn PDF document text
- http://seatraderhk.com/userfiles/disavo.pdfIn PDF document text
- http://ipoz.pl/userfiles/file/vitovuzinokase.pdfIn PDF document text
- http://xn--b1adcbbai1bezln.xn--p1ai/content/File/75313605984.pdfIn PDF document text
- https://holcom-wd.holcom.vn/webroot/img/files/xinodufemotenedatanisu.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161329fe381e86---85567198559.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/refet.pdfIn PDF document text
- http://pilot-market.ru/new/files/file/35438408540.pdfIn PDF document text
- https://weishinclinic.com/uploads/files/202109021407561474.pdfIn PDF document text
- https://greenfins-thailand.org/uploads/file/fuwilexuguw.pdfIn PDF document text
- http://www.pibmg.com.br/ckfinder/userfiles/files/files/3335261120.pdfIn PDF document text
- https://futurefacesmiami.com/uploads/file/nazumero.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_off0000bed7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBED7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d6ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6EE | 10788 bytes |
SHA-256: e8c171014f04e28d12cd0288c97cf7eeb72d0f3b1edb46e93e61f71854e4f944 |
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font_02_sfnt_off0000ef7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF7A | 17236 bytes |
SHA-256: c0cf0b7f0e28fc3075e234baeb1a1510622d48b4f70121ee1a1acfe8c3dbafe6 |
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