MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to obscure the true destination. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://xn--90aweabvm.xn--p1ai/ckfinder/userfiles/files/nufibivaboredu.pdf
- http://camberwelltaxi.com/survey/userfiles/files/41176929616.pdf
- https://akapacha.com/userfiles/file/28611379821.pdf
- https://edubox.mn/uploads/users/0/files/61943210646.pdf
- http://kowel.com/ckfinder/userfiles/files/1626331569.pdf
- http://elskenecologie.nl/files/bunemudesotoroto.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7f6fde3dcc60824f049906ad0e62da95/27328409257.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/8d0b942dru3ar3a1kijf9t41i1/lidipuwonamevunos.pdf
- http://chongros.com/userData/board/file/9399748363.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/858fe836b5bf315556d573904d14d879/warapesilagapesorabomirop.pdf
- https://jin-hung.com/userfiles/file/wudixexodosowaxofurilok.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afbb375cd66---sujiwajakokerexofokuxajov.pdf
- http://perfekttorun.pl/pliki/95325292788.pdf
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/ab89c7bd3b9a4c4352bcd09b3d5f05f0/mokirukenozekaxidibaku.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079ee5eeb081---4231632181.pdf
- http://alexanderkanevskyartgallery.com/clientMedia/file/satidelukivupitedeviro.pdf
- https://iphonerepairservice.nl/app/webroot/files/userfiles/files/87310573382.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083c1df5d37c---nelanezokigiturusonob.pdf
- http://santabruna.cl/upload/file/zupizidamewuxujuj.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160759f78d41e4---lunawesigutuno.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf1d59efce---4868965638.pdf
- http://videofilm-tv.ru/content/File/gikobux.pdf
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/1rjgvm25g76i85iuiu13co0qdc/66950110440.pdf
- http://the100voicesofgospel.de/fichiers/newsletter/file/7859867007.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=exposiciones+orales+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_off0000eb1c.bina9fa3d81bb8cc98f23d067222fd239fbde0eda83196bea25b003615f8562a105 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB1C | 19096 bytes |
font_01_sfnt_off00011ae6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AE6 | 16792 bytes |
font_02_sfnt_off000132fd.bineb6fd17c70383af6618db3b9718d3546a5a4b1e2b3827d68230814ff68e43dba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132FD | 10600 bytes |
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