MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of external URIs, many of which point to disposable hosting and appear to be part of a link farm designed to obscure the true destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://coretry.ru/uplcv?utm_term=appium+ios+automation+on+windows PDF link annotation
- http://farmaciafoglia.eu/userfiles/files/3958354779.pdfIn PDF document text
- https://psystat.net/candyticket/uploads/page_images/files/xilas.pdfIn PDF document text
- https://dansobentre.net/uploads/file/gulutuwikixude.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161384c09cb2fb---1586095747.pdfIn PDF document text
- https://www.jdconstinc.com/ckfinder/userfiles/files/bekiguzuw.pdfIn PDF document text
- https://xtremefitksa.com/ckfinder/userfiles/files/dadiloludaj.pdfIn PDF document text
- http://macabrey-luthier.fr/data/Files/1487172819.pdfIn PDF document text
- http://xn--c1aejbdnke.xn--p1ai/admin/ckfinder/userfiles/files/9631827398.pdfIn PDF document text
- http://grupposcorcia.it/userfiles/files/80050564164.pdfIn PDF document text
- http://desiaussies.com/ckeditor/uploads/files/45908569162.pdfIn PDF document text
- http://schokofontaene.de/idata/59435290665.pdfIn PDF document text
- http://clingac.es/d/files/liteliwugixotofoxoman.pdfIn PDF document text
- http://fields-on-earth.com/images/blog/file/6283930257.pdfIn PDF document text
- https://tese.in/ckfinder/userfiles/files/88412222659.pdfIn PDF document text
- http://yuanjiangchem.com/upload/files/xokixixafiwaw.pdfIn PDF document text
- https://automatisme-portail-bordazzi.fr/userfiles/fichiers/15093772290.pdfIn PDF document text
- https://millersexpress.com/userfiles/file/gofixebafujijavuxetiwa.pdfIn PDF document text
- https://unitedfightalliance.com/ckfinder/userfiles/files/viwodud.pdfIn PDF document text
- http://zgkimsteszew.pl/img/upload/files/2761208925.pdfIn PDF document text
- http://turinimoti.com/assets/userfiles/file/zitibixuboraxasovelapa.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16136476d564fe---jubetavedekun.pdfIn PDF document text
- https://epponline.com/mentorfinancial/page_images/file/wutegorejogowizexuze.pdfIn PDF document text
- http://csc-020.com/userfiles/file/20210918133422_l7xdot.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_off0000e29b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE29B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fab2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAB2 | 10444 bytes |
SHA-256: 2497697cad8841032adb7c655df45dad6ced67ece82f8bc9b188477a3d658630 |
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font_02_sfnt_off00011275.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11275 | 19176 bytes |
SHA-256: fc40252d6062dd09b575c04715e1c80bd6b0ab5ebeebbbd478b227480288ebfd |
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