MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites and other domains, suggesting a link farm designed to redirect users to malicious content. The ML_NYX_PDF_MALICIOUS and CLAMAV_DETECTION heuristics strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9939
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 http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/fajasodezijilubaxukexeb.pdf
- https://blugarden.eu/file/wiraxinawuwuga.pdf
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/ebc0852b5434ef72165dcc202e2ead8d/fuxukofomexizakuzezefita.pdf
- https://datxeninhbinh.com/data/dulieu/files/17085357872.pdf
- http://www.companyforte.com/imagenes/editor/file/runaroviju.pdf
- https://dollarplus98.com/images/upload/files/wagoresovaxilawenuvi.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/c9e02b9f3b3c810115273ca737e2fcf7/nuxiribulo.pdf
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/u8ni764a3li1gpnd5tpgesca9t/kikelurejakupokemuf.pdf
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608562d707830---mebitiravekifabekojub.pdf
- https://mlmrockstars.com/ckfinder/userfiles/files/62186529751.pdf
- http://bazis-expertiza.ru/ckfinder/core/connector/php/files/fibuzimifiripelidibuli.pdf
- http://nemdanangpho.com/uploads/2021-06-02/images/files/92680244904.pdf
- http://bsbcarpet.com/userfiles/file/33038929035.pdf
- https://valerart.com/ckfinder/userfiles/files/dawimeg.pdf
- http://www.romanschatztruhe.de/img/files/56801392413.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a06c16ea18b---bapagazoligobuzenafi.pdf
- https://himalayanthailand.com/image/upload/File/25680967482.pdf
- http://bortran.com/upload/image/file/20210531102734.pdf
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/2ffd5d92d646964ed3e7872e628847cc/suruw.pdf
- http://technoculture.cz/admin/upload/file/813248335.pdf
- https://cahayaapi1.com/contents//files/43181277178.pdf
- https://coebmsf.com/userfiles/file/rusuza.pdf
- http://hurtmar.pl/Upload/file/losimiwi.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9759b66a3---zulunu.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/5ee73ed17d26837ae2676a195043c854/delelonokid.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d06956354---69226342608.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=examen+del+primer+bimestre+de+segundo+grado+de+primaria
- 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_off0000c291.bin2045e2bcc5be51684f91ba7d42cabe5ee57be6b8772b9005621127675a9727c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC291 | 17472 bytes |
font_01_sfnt_off0000ee85.bin9c979d24f466f8cce871489eee9f4d90e07241b702f8d0885f6ab0b980e11bf1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE85 | 11060 bytes |
font_02_sfnt_off000107bd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107BD | 16792 bytes |
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