MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. Multiple heuristics point to the PDF acting as a link farm, directing users to compromised WordPress uploads and disposable hosting sites, likely for phishing or malware distribution. The embedded URLs, such as 'https://huntic.ru/uplcv?utm_term=duolingo+english+test+practice+pdf', are designed to lure victims with deceptive content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://huntic.ru/uplcv?utm_term=duolingo+english+test+practice+pdf PDF link annotation
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16148344c73bb0---fefubu.pdfIn PDF document text
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/53890543398.pdfIn PDF document text
- https://mcq.bmtinhoc.vn/InteriorWeb/images/images_news/files/fimarosijufuzokejotigeg.pdfIn PDF document text
- http://kartywspomnien.pl/uploads/assets/file/vizokuxemozi.pdfIn PDF document text
- http://studiotecnicomartani.eu/userfiles/files/38953565539.pdfIn PDF document text
- https://derechosenred.org/aym_image/files/tufazovoj.pdfIn PDF document text
- https://saatyapi.com/upload/ckfinder/files/joran.pdfIn PDF document text
- http://prosefkuchare.cz/userfiles/nilinajozegaz.pdfIn PDF document text
- http://www.w.radeton.cz/ckfinder/userfiles/files/keguratufekoxak.pdfIn PDF document text
- https://rh-h1tapi-turbo.com/contents/files/54303925332.pdfIn PDF document text
- http://ziva-muzika.cz/files/file/kewigutuxogoj.pdfIn PDF document text
- http://healthywithhart.com/res/file/15733120102.pdfIn PDF document text
- https://mintowncoffee.net/uploads/images/files/sokodesovogowil.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ebd8806513---69029900833.pdfIn PDF document text
- https://cowik.pl/upload/69608383099.pdfIn PDF document text
- http://asiancfea.org/userfiles/file/53402936002.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/7975c07c2eaebb1386655c8ec0a761d8/zafimagogalig.pdfIn PDF document text
- http://enidental.com/userfiles/file/20210901062601.pdfIn PDF document text
- http://www.biharikft.hu/bihari-admin/ckfinder/userfiles/files/magavemalanekodugubamogab.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141474622c3e---dunirosevanisajiwuz.pdfIn PDF document text
- http://evaemlak.com/userfiles/file///weritidilevu.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/161429444037fb---kiwaf.pdfIn PDF document text
- http://gianenricofabro.com/userfiles/files/durizizejulom.pdfIn PDF document text
- http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/32676022339.pdfIn PDF document text
- https://qwert5.com/psum/admin/userfiles/file/wokuwasapakoruromet.pdfIn PDF document text
- http://xahscw.com/userfiles/file/sivolejamomiregukovemozax.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_off0000ec78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001048f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1048F | 11000 bytes |
SHA-256: 2c78a547d1b0c6d0f006e27fbb5d04bd0390e7307aef488b463f64c8f5a21ac2 |
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font_02_sfnt_off00011dd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DD7 | 17688 bytes |
SHA-256: 9623da9c0d022cddadf59532d6408b08b0a11ced1600831e4ef4eb6ed4af1aa9 |
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