MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV detecting it as a phishing trojan. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a phishing or malware distribution campaign. The embedded URLs are designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://smidgel.ru/uplcv?utm_term=interpreta%C3%A7%C3%A3o+de+texto+com+gabarito+para+6o+ano
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160807c7879d26---27265916458.pdf
- http://kimandyoo.com/userfiles/file/61608522956.pdf
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3695637835---92533679342.pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/f75a54c9d9ae4b5f2c352d8d821df04c/vutosewaxagirogufufusiku.pdf
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/5453c08a42217d9a8ff071f8e7f02b6e/52279617254.pdf
- http://remont-elektro.eu/archiv/file/3822115454.pdf
- https://biserica-izvorul-tamaduirii.ro/files/75686840965.pdf
- https://egyptsuntours.com/userfiles/files/ritolawakevike.pdf
- http://andlupa.com/userfiles/file/kotikopenudozitigoz.pdf
- https://maharajganjtimes.com/assets/ckfinder/core/connector/php/uploads/files/69536769876.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/20ikip80flnjo0nglv3u4dnk05/jonaf.pdf
- http://dtpokebar.com/uploads/files/kuwigerututogo.pdf
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d34a9eb19df---xizeduludasimu.pdf
- https://holocaustresearch.pl/nowy/photo/file/tilub.pdf
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a51729925---duvaxovevuxiseveko.pdf
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d6633c84a84---64172961663.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094cc3a4a628---lewutanijuridada.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a43210d2e81---62210622267.pdf
- http://czdashan.cn/uploadfile/file/2021070309083573499.pdf
- http://ahdongjiu.com/upload_fck/file/2021-5-31/20210531175957328519.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160f85e0d029e3---tibobavijogexawotazufug.pdf
- http://timebank.ru/sites/default/files/photos/pagefile/85274618359.pdf
- http://studiorinaldibedin.eu/userfiles/files/woxepabuxibezolawor.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/9f297f3b4e6fbadcf76d84eb9d857e4c/sanogizeroga.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_off0000de81.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE81 | 16792 bytes |
font_01_sfnt_off0000f698.bin46b69f62637ca1d108665e5d44c5b53b302d8c3d6eb4772159fd060e5c23d1d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF698 | 11468 bytes |
font_02_sfnt_off00011091.bin40df179aa7f076790ec39c32525ca9414adba6c51c1eb2c4fa31167f999d68b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11091 | 19412 bytes |
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