MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, suggesting an attempt to hide its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://nomylo.ru/uplcv?utm_term=april+8+2024+day+of+the+week
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/eeb05319dc576a1ede68673d5d2a9e8b/joramezoziviguzubew.pdf
- http://tnhmc.com/userfiles/file/65022974422.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614091214bf06---15478058933.pdf
- http://johnmichaelharrisonlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/61893323173.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614788b5b668d---fepelozolixoleber.pdf
- http://milwaukee.center/userfiles/file/zojofidinitoloreditos.pdf
- http://andreevka.topmebli.com/content/xuploadimages/file/33836600083.pdf
- http://lactopad.com/uploads/files/mituz.pdf
- http://adbrf.com/files/fckeditor/file/905242954614be658be65c.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150d21fce601---21476369345.pdf
- http://optometrystaprzemysl.pl/userfiles/file/fiwosunivarufan.pdf
- http://linza-market.ru/upload/files/dotimosesexonegufe.pdf
- https://dodatkireklamowe.pl/web/uploads/files/42745950968.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ada92007fe---56937636000.pdf
- http://sostrevalli.it/userfiles/files/kanegepaj.pdf
- http://www.ssc-ras.ru/ckfinder/userfiles/files/poropakepekulogazesax.pdf
- https://galerie-louise.be/userfiles/files/zobiziloduzifesukifol.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16144daa8cd120---jesagimibevugedorube.pdf
- https://ebal.ro/app/webroot/files/userfiles/files/17284110840.pdf
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/a4c79ac21f5cfac6b3a236e8d545168f/65311649788.pdf
- https://biocenfis.es/uploads/assets/file/57181798948.pdf
- http://recko.ru/ckfinder/userfiles/files/bakotugigovetaxuzilafeg.pdf
- http://fotografoenricogiampieri.it/userfiles/files/wimogatok.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_off0000b242.bin33d58bd65ea1cff5301da0ac246332785913ac850b89f1cc7710c78e9aaf0ab4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB242 | 16272 bytes |
font_01_sfnt_off0000db51.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB51 | 16792 bytes |
font_02_sfnt_off0000f368.binff0560aee72cb85dc3fd82d209a8ad434bda3469f4a1c5262a0781586424eac5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF368 | 11124 bytes |
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