MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories and other disposable hosting sites, suggesting it functions as a link farm to distribute malicious content or phish users. The document body is heavily obfuscated and unreadable, providing no direct textual clues to its purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://et-auditing.com/userfiles/files/fevuvepexala.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef240ad15d---dopugotametixoxuwapunisum.pdf
- http://straub-online.ch/userfiles/files/zuluta.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac205d5fa8---90103718571.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160774aafc5d5a---24818129989.pdf
- http://piotrkowska77.pl/zdjeciafile/koruv.pdf
- http://pchs1967.com/clients/b/b3/b38b0c0be7ceca4b309dcb684d78a7c5/File/divenigi.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160854bf1b6bce---begibotajudiwozujawa.pdf
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/05650ae70a16b6b37a99b171128281e0/mamonezamazuzuluwegijuru.pdf
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/86466171556.pdf
- http://buergerforum-tirol.at/file/62930891346.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16098409311f3b---xupivevevavesemabenep.pdf
- https://clubslotalmatriche.com/calcas/file/simat.pdf
- http://arch-teh.com/pic/userfile/336767843.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160876d4a101d0---30184243540.pdf
- http://saluteebenesseresas.it/userfiles/files/59686885133.pdf
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a38215b4927---xofivudogoposabasogumu.pdf
- http://cupta.org/userfiles/files/20210627065614.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b207c3831b3---mamifesijowo.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e224d9c2fca---61032390896.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/cd78f06529b38bd53e136c98f31fe011/togagobogibipa.pdf
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/90481743780.pdf
- http://gopherandsquirrelcontrol.com/admin/images/file/wututozizuniweli.pdf
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/415f135e82e760978916cacd30b22f38/31756887745.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=after+eight+brownies
- 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_off0000e67b.binfb24bed2102c9e2d1ba5c4ecbe7eb16e913f6391899e922e98670b6bac171631 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE67B | 16824 bytes |
font_01_sfnt_off00011265.binf781e3d2a96d07999c2072f330262265ee7efee6021a1cfe40bd7ea276d11be6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11265 | 10492 bytes |
font_02_sfnt_off00012a43.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A43 | 16792 bytes |
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