MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs that form a link farm, with many pointing to disposable hosting or compromised CMS uploads. These links are likely intended to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://pistant.ru/uplcv?utm_term=test+anxiety+articles+pdf PDF link annotation
- http://farmaciafici.com/userfiles/files/bumarenul.pdfIn PDF document text
- https://sanmuabancongty.vn/images/content/files/bexaduratofanutenakonesej.pdfIn PDF document text
- http://stroisvias.ru/userfiles/file/kurev.pdfIn PDF document text
- https://fajndoktor.cz/images/file/files/nonazewopajorif.pdfIn PDF document text
- http://www.singchai.co.th/ckfinder/userfiles/files/9467812491.pdfIn PDF document text
- https://eyetracking.pl/userfiles/file/japonaxut.pdfIn PDF document text
- https://stopserv.ru/files/file/sexesufodamesabasuk.pdfIn PDF document text
- http://ainut.fi/userfiles/file/18390886721.pdfIn PDF document text
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608700d128bdd---kesawofusirojatisaj.pdfIn PDF document text
- http://noospc.ru/SITE/files/editor/file/21544770504.pdfIn PDF document text
- https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/746b92dd817abf38168bd3c14da6cbe3/7222956633.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160d40d6d43188---9931792109.pdfIn PDF document text
- https://hotnews.md/upload/userfiles/files/vofobubiku.pdfIn PDF document text
- http://fcraregistration.com/UploadedData/file/wupame.pdfIn PDF document text
- https://12shio3.com/contents/files/95975665119.pdfIn PDF document text
- https://louvre.lv/res/wysiwyg/file/lotabepatunodepatiboj.pdfIn PDF document text
- http://www.asap-recruitment.net/upload/file/fomibitogevawivizu.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad1117c3937---57751075643.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160e32bd6e7042---gubemevizovosuxawajigab.pdfIn PDF document text
- https://eatorhours.org/e-bussiness/fckimages/file/voriviponevoneloxenev.pdfIn PDF document text
- http://gmei.lt/ckfinder/userfiles/files/lejabitepejuzaxu.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/530cbccfc4a69cf0f8aaba6189e4b9a9/99398886554.pdfIn PDF document text
- http://sahamit.net/userfiles/file/fosumofidod.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813f20571f7---mobusesi.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_off0000decc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDECC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f6de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6DE | 16552 bytes |
SHA-256: 03e7f36023995641eb9f19da8718a31840552f1900d8b0f830800e5de96eba66 |
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font_02_sfnt_off00012148.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12148 | 10672 bytes |
SHA-256: f2a6df466002c4dce04e6a361a145178e8cc672f12a878f9edd2ab082145406a |
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