MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised websites and disposable domains, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery. No scripts were extracted, but the structure suggests a link farm designed to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://longarmacademy.net/fckeditor/userfiles/file/koliforabakanu.pdf
- http://michelesherrinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/34803468349.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160ba65f034845---92889357609.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160abcadb803da---20012192476.pdf
- https://akproauto.com/nbloom/fckuploads/file/4239245748.pdf
- http://phuocthuan.vn/images/pic/file/xesikepiba.pdf
- http://sun-eko.eu/files/file/50334088407.pdf
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/75oc3b4nbnruvg9cjke1godc91/kutezunikanememunuzume.pdf
- http://akinmedical.com/uploads/file/lisafugezetivesolamasovo.pdf
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/5cba71ea15db004768917688d7ef85ad/gobukikewogipafi.pdf
- http://glamour-nsk.ru/ckfinder/userfiles/files/86383617785.pdf
- http://simonhoirup.dk/userfiles/file/likupapi.pdf
- https://vinadesigndanang.vn/uploads/image/files/dojajefexamovejefimigeju.pdf
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0136b65731---30691676411.pdf
- https://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/5ac6h1v1g1p3242cdrejn6oudo/povakelagenalatetebav.pdf
- http://seoulgreeter.com/userData/board/file/82611535843.pdf
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/j1lf0skr0p3a7ls7mt6egmj2fs/18976897046.pdf
- https://ajwatravel.com/wheelmarine/userfiles/file/kupirekuse.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/2f20cadf794c868d8861e66c2119e8bd/43034832509.pdf
- http://iberia-ex.com/images/blog//file/pokopali.pdf
- http://andlupa.com/userfiles/file/walanilol.pdf
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/fevikexig.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=4+letter+word+starts+with+u
- 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_off0000be71.bin09240991f826496315523a0ae589ce40d5728d703dbe049d0a1169cb76b90927 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE71 | 10408 bytes |
font_01_sfnt_off0000d62c.bindb016c473a37239df9a463ab458a376889629ebdc6724a920bee6b29dac25738 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD62C | 16360 bytes |
font_02_sfnt_off00010095.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10095 | 16792 bytes |
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