MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many pointing to compromised CMS uploads or disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body is unreadable binary data, indicating it's not intended for direct user consumption but rather as a container for these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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 http://ahkjt.com/upfile/file/marujok.pdf
- http://vin-baietii.ro/ckfinder/userfiles/files/kemutaweguwiru.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/d8a905e2881c04f08427e99983349136/tutun.pdf
- https://0924055971.com/uploads//files/202108050320085463.pdf
- http://sriagasthiyarastro.com/FCKeditor/userfiles/file/tuwewese.pdf
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/a17k05v7g8neft589ql0pjvs92/26105331166.pdf
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5f9e5b5b30---dujowe.pdf
- http://valeneighbors.com/userimages/lefojeraletimafe.pdf
- https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160853b5085500---winovaneverolasulaxedim.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/csrtc51bg6l4qccdi1b265mit5/dumaxamu.pdf
- http://chinocorporatechallenge.com/clients/6216/File/ditoxu.pdf
- https://marathonblainville.com/userfiles/files/62942752243.pdf
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c7346f02657---51720550847.pdf
- http://clinicaveterinariailmarzocco.it/userfiles/files/79736307831.pdf
- https://shiphangnhanh.net/uploads/image/files/50552939436.pdf
- http://bukharajohnscreek.com/sites/default/files/file/3921133076.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e2befc4e54---titewadipivanujutef.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1606dcaa15b52f---bojiwurolitugipuvativowu.pdf
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/01f39495a67097fb345c1fd5687f3ab1/68967114485.pdf
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/ssd1oig4vusr8aksj4gholjdev/96473814581.pdf
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/081f47a750cc798de8bfb5c76b3700d2/lopumusadez.pdf
- http://mpti.ru/userfiles/file/92952302650.pdf
- http://teraval.cz/res/file/jaminopotoxanumobe.pdf
- https://lotteppta.com/beta/assets/file/zojeviwawujobaxe.pdf
- https://dakhoathienhoa.net/images/files/7454914109.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/c7b03441bbd8650a5a800c21a7747da1/31045930352.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100ac68350dd---lijelagotaj.pdf
- http://clinicaveterinariagoitese.it/userfiles/files/wenenepadubo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=%D0%B4%D1%8D%D0%BD%D0%B8%D0%B5%D0%BB+%D0%BA%D0%B8%D0%B7+%D0%B2%D1%81%D0%B5+%D0%BA%D0%BD%D0%B8%D0%B3%D0%B8+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE
- 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_off0000e0e1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E1 | 16792 bytes |
font_01_sfnt_off0000f8f3.binb527a328801e2858b5f42c7852d9748cd0e272c3ac9d7f8fb1fddd0aeac1d6c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F3 | 20860 bytes |
font_02_sfnt_off00012c5d.bincba195813d167d518aba3c544cc2ca887187b366cb852a64e25142c9ea997a56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C5D | 11004 bytes |
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