MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The presence of a 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic and multiple unknown reputation URLs strongly suggests a phishing or malware distribution attempt. The ML classifier and ClamAV detection further support the malicious nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://abbeytraining.net/userfiles/file/70008386898.pdf
- http://blossomtour.net/FileData/ckfinder/files/20210916_12AB69AC720E8D5C.pdf
- http://twgo8.com/uploads/base/files/202110020327201776.pdf
- http://www.gyndoktors.de/ckfinder/userfiles/files/23611560634.pdf
- https://www.autopsrus.com/ckfinder/userfiles/files/21431584272.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16158ca537a9b6---62874199605.pdf
- http://edukoc.net/userData/ebizro_board/file/35893696047.pdf
- http://avatars.ru/userfiles/file/91366338902.pdf
- https://pepsima.biz/files/file/kejafimitojageduked.pdf
- http://mosjob.ru/images/file/dosepiwiromotinofuke.pdf
- http://onlinepravenconsultant.com/uploads/wysiwyg/files/33878867916.pdf
- http://hagelkonzept.com/userfiles/file/xapefuk.pdf
- http://4bx.pl/public/file/99158109590.pdf
- http://cngwalk.com/fckeditor/userfiles/image/45519971109.pdf
- http://nemdanangpho.com/uploads/2021-09-01/images/files/kigexiwigeninikidudes.pdf
- https://pristineleather.com/userfiles/file/32706591993.pdf
- http://studiotecnicodama.it/userfiles/files/mokimenorirunozutemod.pdf
- http://studiotecnicoarduini.eu/userfiles/files/jevatasilusedimodo.pdf
- http://baoveantam.org/upload/files/97586303864.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/10ee21c7083a398a4281574c115183e7/padutumobekizos.pdf
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/34c61fdb3f54680ef3271e4c2f5a967d/soguxuginiridigaliv.pdf
- http://hondaototanan.com/upload/files/nefebu.pdf
- http://versobrokers.eu/userfiles/files/83775883774.pdf
- http://bmcnx.com/userfiles/file/lowuve.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=convert+to+xps
- 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_off0000b2f3.binfaa880143315327b86dba1a7c553cd43f66919115f052473d1f21b448588db1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2F3 | 10144 bytes |
font_01_sfnt_off0000c9d6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9D6 | 16792 bytes |
font_02_sfnt_off0000e1e8.bine3f9ee76a6e0c88099b113397343c0039f6cae1159d1878b83fc4b69249dab9a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1E8 | 16676 bytes |
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