MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, many hosted on compromised WordPress sites, indicating a link farm designed to distribute malicious content or phish users. ClamAV and ML classifiers strongly indicate malicious intent, specifically classifying it as a phishing trojan. No scripts were extracted, but the structure and URL patterns are consistent with malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://oniceh.ru/uplcv?utm_term=acoustic+fingerstyle+songs
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b11c66ee9bb---45483059431.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef7fcdbba0---ximupewubevaxew.pdf
- http://assushop.com/userfiles/assushop.com/file/legokuwememejujelisafug.pdf
- https://echipamente-scule.ro/userfiles/file/denusogamodiso.pdf
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/9932a06ed8b8c9a34bbd2a4ba2019e32/jomubirovogovi.pdf
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/16083585757e4c---8617810329.pdf
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a090e79c7c4---rulikomazepesijobubog.pdf
- http://glotecgh.com/upload/editor/file/4310710318.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/04f0073c67003287dd24fe6ea93276ad/52137873594.pdf
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/8651bab92282ee94f09fb4ced33c4289/gamovurogowaguluwam.pdf
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607557c8b3e38---gugusidivuzutevulipik.pdf
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/a8ef453be6666ad7abbffe3fb1d2ae9f/46692915843.pdf
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/7e0df03103b33ef29adc2348dda63a09/jajuvesozujom.pdf
- http://webinside.pl/userfiles/file/zuxupug.pdf
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/160878f46880f4---lixetukibo.pdf
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/bb14abc299ca51d738258e320628481b/75575473407.pdf
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd45977d7e5---70887880565.pdf
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/59498f51d4c5f070b956b0a2d76bc06e/28617042411.pdf
- http://aitrans.cn/UploadFile/file/F1202106141555258722.pdf
- http://bigxra.com/uploadfile/file/2021051302210673499.pdf
- http://bbdecontra.com/userfiles/files/pakiwugegumivupuwe.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_off0000e80f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE80F | 16792 bytes |
font_01_sfnt_off00010026.bin450cdfd653b1a3a8c29481ae127427687cad210b25c8fe68229aa94a67f864b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10026 | 10544 bytes |
font_02_sfnt_off0001185e.bine171518f4cb5eaeda7abdf19d7408834538a963e889772d6605c098b0ce2e989 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1185E | 17284 bytes |
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