MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised CMS upload locations and disposable hosting sites, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lead users to further malicious content or downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 http://labcoop-jsc.com/wp-content/plugins/super-forms/uploads/php/files/d743vd0bogl532asssi270p8ii/nugeriwok.pdf
- http://mientrungpetrohotel.com/users/files/50402964504.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac48789a6d4---goresati.pdf
- http://donghozibistore.com/luutru/files/tanon.pdf
- https://rpitrade.com/ckfinder/userfiles/files/2398158940.pdf
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/c9b499nm0frg34hmkol79ki558813tgt/41702151439.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f9cbda3daed---74835062659.pdf
- https://postelezmasivu-zlin.cz/ckfinder/userfiles/files/vopivo.pdf
- https://soudurelauziere.com/upload/editor/file/malixufisuporazimegodo.pdf
- https://anpheatingandac.com/nbloom/fckuploads/file/42964095914.pdf
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/3818f52d6552558543b1f848c3021dbe/37717826816.pdf
- http://virus-safe-zone.com/ckupload/files/65420956322.pdf
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f214db11f5---jogevifar.pdf
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e66c5e9740---gizejegegonoviwowaj.pdf
- http://asfalon.com/__files/file/visefibatejozuvasananu.pdf
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/nnko0kklvhnl9iu3lclfl14g40/67105864639.pdf
- http://novelinternationalschool.com/ckfinder/userfiles/files/rorixo.pdf
- http://agapetown.net/ckfinder/userfiles/files/sinodazipapukeled.pdf
- http://teamwork-poetschke.com/ckfinder/userfiles/files/dulovu.pdf
- https://actaviaserica.org/board/file/files/dujepatunojemon.pdf
- http://aarogyamedico.com/userfiles/file/759748837.pdf
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/3aa2a9fd9d4152d24c8721e6050ff569/gijifudul.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=qual+a+raiz+quadrada+de+28900
- 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_off0000ef4f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF4F | 16792 bytes |
font_01_sfnt_off00010761.bin406104040239d789afa9df79358a9b702724506a377ce887c38720d48805e9be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10761 | 21304 bytes |
font_02_sfnt_off00013dbf.bin75722410b8afb01677ddab1343eeb35710c168aa5d83815c0f06dbce9acd8d77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DBF | 10736 bytes |
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