MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites, indicating a link farm or phishing attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, specifically identified as a phishing trojan. The embedded URLs are used to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2a78f3dfe---36758174993.pdf
- http://bensonlandscape.com/editorData/file/71755026890.pdf
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072723e6583d---30027407823.pdf
- https://mszukam.pl/dat//file/27079262319.pdf
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e7ce7beac6---7665182418.pdf
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160853fbb4378b---jonedorurepigonodi.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b00c111a966---sonugamojukiki.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608461a22d6f3---tuvaxikodizuvanakexum.pdf
- https://ktmcollege.org/public_html/userfiles/file/togidokineripe.pdf
- https://tkquiz.com/userfiles/file/zajenunefefaderede.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa13550a1c8---68699760110.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/b54fd6b44252b65fc2efc525071c46fa/37546030129.pdf
- http://prestopc.it/upload/file/fawaf.pdf
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/bo57bv4sqtpq5cdt6tirmqhai8/24948365368.pdf
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1ed68714f0---9651632539.pdf
- https://kme.pl/global/app/webroot/uploads/file/16248702432274.pdf
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160a9bed8e25fd---kigut.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160726a7baa051---kesexepewonaturedos.pdf
- http://sam-global.info/files/file/gowuforobuzaforuxenifofa.pdf
- http://blissworldbeauty.com/newerac2c/userfiles/file/4142215967.pdf
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ceebd7bf58---witopulikos.pdf
- https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/534cd15486230e716ee4082492a67d5f/palonulerelorer.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16074ac5723039---zelije.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606c99184d598---76000311554.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=examples+of+simple+harmonic+motion+in+daily+life
- 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_off000124e4.binf25e03fb99b232a7a5bc8e368fe19b8b1caa3318f9384a8224fb804838ace360 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124E4 | 11084 bytes |
font_01_sfnt_off00013e8d.binfc547d013d8ad4501903bd2d31959f6f6e24f1502353cfd2d87433ab4988497d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E8D | 18840 bytes |
font_02_sfnt_off000170e8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x170E8 | 16792 bytes |
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