MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file 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, suggesting a link farm designed to redirect users to malicious content. The presence of multiple external URIs and link farms indicates a strong intent to direct users to potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://huntic.ru/uplcv?utm_term=sentinel+safe+forgot+code
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160eca7b168e8f---tamexokam.pdf
- http://musthighschool.mn/ckfinder/userfiles/files/pujukorerelekowupuse.pdf
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f99d6968383---81799666144.pdf
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/bdevl3ecv5am0h4lno75pploeo/4749976887.pdf
- http://7tec.ru/userfiles/files/vivexoros.pdf
- http://asbu.net/uploads/FCK_files/file/neduxenesaxusuwetapopusof.pdf
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606c987c5dd01---muvira.pdf
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abce062e39b---mapige.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160957fcc44dd1---rebazikunowumotuvud.pdf
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/bf50175b1eb4124f9617fce03287d58d/besenovesolimozazeromebov.pdf
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/79dhj6dd16ehscus7j6pceidb7/magawas.pdf
- http://manninareunion2012.com/clients/0/03/03b30fdf9aaeeba733afadbef254ff7b/File/69376769621.pdf
- https://techielingo.com/fck_uploads/files/19100067526.pdf
- https://www.analfissur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792d20677c6---xumojanulenalenu.pdf
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/373c93a817e5cb975d77bbe318926526/9039049120.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/o38n0efe14frg00cuqrofkbui0/88386615291.pdf
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/ecd472263b57d8ad2ef53aa1a8a5a114/jokaramuz.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c963b3c1d4a---makazadum.pdf
- http://flywings.sk/UserFiles/file/8263660939.pdf
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/c9682a74415b629ee3891d63bdfee616/19398391061.pdf
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5897bcf373---dibafawufopixorafilagos.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_off0000fde1.binc3162818490c49ae06a75f3a1af4e9f02a8cbcc5ebb9dd153e23edf7961d247c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDE1 | 10728 bytes |
font_01_sfnt_off00011670.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11670 | 16792 bytes |
font_02_sfnt_off00012e82.bin4cf275db4fdad199c57ce50a9d7e16ef6655dbf10f2c3a2f141de31e96b6c57a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E82 | 18116 bytes |
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