MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as a malicious PDF by ClamAV and an ML classifier. It contains embedded JavaScript, which is a common technique for executing malicious code within PDFs. The PDF also functions as a link farm, directing users to multiple external URLs, some of which are hosted on potentially compromised WordPress sites, increasing the likelihood of phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb36816883---52565172360.pdf
- http://orosweb.hu/userfiles/file/ramirunosegevugota.pdf
- http://ckudzcssffhhj.handysociality.com/upload/files/19919559021.pdf
- http://weifong.tw/fckimages/file/97977838378.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/0b7285a4712ccf42d3bfb23b989863c3/kojevanobiduvulitoli.pdf
- https://wildarium.com/ckfinder/userfiles/files/26940813247.pdf
- https://maconlux.ovh/userfiles/files/86608297580.pdf
- http://theorientgarden.iorderfoods.com/uploads/files/89940351029.pdf
- https://medius.sk/userfiles/file/vusoxesagaroruvodomegex.pdf
- http://www.jacenter.org/js/ckfinder/userfiles/files/sixivilaperufurogedoko.pdf
- http://www.dawnrotaryclub.tw/UserFiles/files/57836382661.pdf
- https://movimientofamiliadejesus.com/images/uploaded/file/kusibagusepen.pdf
- http://avalon-essenzen.at/userfiles/file/ruxebifodorapowolusa.pdf
- https://jackyrouxmethode.com/userfiles/file/getokixonuvejuviz.pdf
- https://atrax.hr/files/48960526431.pdf
- http://www.hausbaumesse.at/ckfinder/userfiles/files/94831386111.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/1795976ce805f5bb7b2259ec8368517d/vesaz.pdf
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/161411b537dd3b---65652212249.pdf
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/e39d8fb4819cd1a495f5f0459352339e/konosimixeze.pdf
- http://happy-land.hu/editor_up/dikedepewufibosoxutepone.pdf
- https://ons-station.com/editor_upload/file/53853911288.pdf
- https://xistenze.nagydavid.com/files/files/46640236536.pdf
- http://veiligheidssloten.nl/ckfinder/userfiles/files/ritebef.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=fnaf+2+android+1
- 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_off0000db28.bin38f16fda940b561c00b704416093ef514cbc3bb1b56e7fc3c562264fc3c9030a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB28 | 10052 bytes |
font_01_sfnt_off0000f19c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF19C | 16792 bytes |
font_02_sfnt_off000109ae.bind010eaaf072a0cf33bc7dab9de5f12f0588b290047c682201c7010af5d94f9ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109AE | 19080 bytes |
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