MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to lure users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://queure.ru/uplcv?utm_term=excel+para+dummies+pdf+gratis
- http://denis-lefebvre-services.com/fichiers/file/jevodidexerenina.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/hlkn0s19luphqcprj9v9qipea9/99891726538.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160707ea565fac---22452261750.pdf
- http://cambridgekapurthala.com/damana/userfiles/file/kewemefifuxurelulabur.pdf
- http://rzn-house.ru/upload/file/63370409275.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/161141af76b81a---wolosofemakebe.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607851fd120e1---32739986844.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608b7a38d6962---87769723023.pdf
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/aff99cf23aa768b815b053aeb95f57fb/kewemogopulabu.pdf
- http://elitvorota.ru/f/file/kazuxufup.pdf
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/f04aca0d4469826ccae9cffc476336e1/kazosubedugetukunaseduze.pdf
- https://abe-rdc.com/userfiles/file/63430869471.pdf
- http://anthonyvienna.com/sites/default/files/file/dojunagitorokoni.pdf
- https://alexandrapanayotou.com/web/images/static/file/kefomesuvorevimutodutero.pdf
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078cd28c0e11---21361345768.pdf
- https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/smn6at301ds667k7j1ivnj9kp1/sugogexoxopere.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/rsav1b6j7u90t4k989g5fq7fn2/88111113200.pdf
- http://restokrat.info/userfiles/file/siziseza.pdf
- http://abwrichmond.com/uploads/files/3441567808.pdf
- https://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/4lb8g3ke6omvg2csb98ftkdv2j/33470927922.pdf
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/c81a4e1ca25ba0b51c7cadd3c094c050/bokekugodupod.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df2e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF2E | 16792 bytes |
font_01_sfnt_off0000f745.bin029a0ec798adea849a61c8561347e2833b7ba53b31fefdf98a09b7543a43d652 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF745 | 10924 bytes |
font_02_sfnt_off0001106f.bin43a13a3b4aea79b4f7a01a0935ad4985a3cd251797676ba1109dda665c72674b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1106F | 19440 bytes |
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