MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites. These links appear to be part of a link farm designed to direct users to potentially malicious content. ClamAV and ML classifiers also flagged this PDF as malicious, indicating a phishing or trojan-like behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9925
Heuristics 6
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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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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://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160984cdd8cdfc---69172301025.pdf
- https://btsis.com/upload/ckfinder/files/4760709704.pdf
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16072d73042f52---98285743135.pdf
- http://mixmarketing.vn/upload/fck/file/7020051098.pdf
- http://biemmecommerciale.eu/userfiles/files/33296574407.pdf
- https://thaiwoodengames.com/files/upload/files/zujulixejakuzulejugi.pdf
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d0da235bb---6505492442.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a35e141c68---memenoxasisakuli.pdf
- http://elskup.pl/images/assets/file/60857887033.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/402fbb7bd6201cf5fded90e4b316784a/51447890480.pdf
- http://lex-ter.ru/admin/ckfinder/userfiles/files/23901078782.pdf
- https://otartufo.com/ckfinder/tartufofiles/files/famezesofi.pdf
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105271e75201---mixilurapeb.pdf
- https://honghow.com/ckfinder/userfiles/files/84873323776.pdf
- http://video-cycling.de/files/file/47633990172.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/528ac319cca0470018dc8da7dba35bb3/65596299434.pdf
- https://badrivishal.com/media/57194952895.pdf
- https://golf-tout-terrain.com/publish/page/file/lowumobuzelowaxusiluwoko.pdf
- http://smithmaloney.com/clients/3/32/32eae1a42220421eddab78da2f55685d/File/xezaxoxatisen.pdf
- https://appvid.eus/userfiles/files/89449173425.pdf
- https://seedomoretravel.com/files/files/12180720383.pdf
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/ca1841a14d09a589b4786ea6b6ff5e2b/dupimufeliwaroniwi.pdf
- http://svazekobciorlice.cz/userfiles/file/vixexuw.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=how+do+you+play+go+fish+on+zoom
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f4d6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4D6 | 16792 bytes |
font_01_sfnt_off00010ce7.bin243d0f3eb84e8a8542d729496c53289605444c22395d505b485a1ec7c324505e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CE7 | 19100 bytes |
font_02_sfnt_off000127c8.bin19decc2d5398f042fb662671cdecb54cbbc7183bf6a4134003770070e2c9fb42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127C8 | 17696 bytes |
font_03_sfnt_off000155d6.bin9dc3feb70a8be58e7ac495661da34cb77b51111a79987cfaf4c1dec5499eedf7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x155D6 | 10964 bytes |
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