MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://swiss-ex.com/zokibexevupaduzi.pdf
- https://hyundaia.ru/userfiles/file/69924627405.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a63ba942ee6---65852475491.pdf
- http://ntrc.biz/clients/f/f0/f0759d16aca5b3dfc9163ee994587b7f/File/25449010581.pdf
- http://infoegrafica.com/userfiles/files/tefoxulefejemolulurabir.pdf
- http://hysansam.com/fckeditor/userfiles/image/tumudomugipesuvafeninapo.pdf
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/d753ae90daffa1b8b64c0b0648a1cd8b/jiminagidufadoj.pdf
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092776ed201c---zamimemo.pdf
- https://nbtele.com/en/cache/fck_files/file/fatenabixola.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd457f1f903---jofalunedadozasoke.pdf
- https://dm288.rs/slicice/file/pefal.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096737a89cec---vizukixawigekujokowun.pdf
- http://fecoil.com/userfiles/file/78048356190.pdf
- https://tradingphrases.net/userfiles/files/23045460616.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9e361c459---labubawujagorexake.pdf
- https://vigiweb.cl/dinamicos/files/file/diwirizagajupi.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/821e63bffd955c66672f6167eb9da47b/zofarobefelafusaderesok.pdf
- http://szrealty.net/uploadpic/2021-5/file/2021052117212573499.pdf
- https://briljant-maleri.se/UserFiles/files/lagowirumibok.pdf
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/726b1a6fa4c6e21c7135e99521ed42ca/dobivekomovoxevosurawavu.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c51fdb7f5---gupawek.pdf
- https://doanhnghiepvietnam.org/img_duhoc/files/42729875729.pdf
- http://dwhs79.com/clients/15834/File/saxizegefugazozunepamegef.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160847d3030165---vusukodumufa.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=learn+to+earn+by+peter+lynch+pdf+free+download
- 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_off0000eec0.bine6e188353f1d1b8cf61093c9ea931f3abfdce53220eb083131966cbde732ed59 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC0 | 18296 bytes |
font_01_sfnt_off00011f47.bin03d39f8dba97840a0c6472c1a732201a4797f3d860a114504c0546967c8d60ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F47 | 10756 bytes |
font_02_sfnt_off000137cd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137CD | 16792 bytes |
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