MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains numerous links to external sites, many of which are hosted on compromised CMS platforms or disposable hosting, suggesting a phishing or malware distribution campaign. The heuristic 'SE_REMOTE_SUPPORT_LURE' indicates the document's content likely instructs the user to install or connect with a remote support tool, a common pretext for social engineering attacks. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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://nomylo.ru/uplcv?utm_term=apps+that+can+control+other+phones
- https://www.lire-les-notes.com/ckfinder/userfiles/files/dukute.pdf
- https://lmcmanager.com/ckfinder/userfiles/files/nigagewimajuzelabo.pdf
- http://fixafilm.se/userfiles/file/95405373132.pdf
- https://www.totalblissbeauty.com.au/application/third_party/ckfinder/userfiles/files/17445539861.pdf
- https://grdr.org/paidel/ckfinder/userfiles/files/xotekusazododu.pdf
- https://ntpuvoice.com/ckfinder/userfiles/files/dovakugedobedebi.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fb3f17f6d4---luboletugerigujodonoba.pdf
- https://aquatrustfina.com/userfiles/file/kaxodim.pdf
- http://wirheiraten.de/images/file/7953868636.pdf
- http://peterpan1996.it/userfiles/files/fenerorirubamiwilusew.pdf
- https://bayihoki99.com/contents/files/49115963545.pdf
- http://redskap.ru/userfiles/file/xipefukekajup.pdf
- http://aallergy.netlovestories.com/upload/files/ronorisigo.pdf
- http://theurbanbazzaar.com/userfiles/file/fedura.pdf
- http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/30480977607.pdf
- https://asoriofrio.org/ckfinder/userfiles/files/pibiwifanufakifajabekov.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/a03faa97b7cc3b2fb8c4746c78886906/dazud.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/bbfeaea48a674c139157ddffcabb9c9c/tegudapobedipogoxanubup.pdf
- http://akcjonariusz.com/UserFiles/file/82105605785.pdf
- https://yp05.com/_UploadFile/Images/file/40340002221.pdf
- https://takitech.hu/userfiles/file/rovopulonu.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613838b40406a---viloru.pdf
- http://soc-in.com/data/media/files/gezonet.pdf
- https://pratham.one/file/69704133499.pdf
- https://nyirfa.hu/uploads/files/94674225237.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_off0000db24.bin066bc0964d01bbeceae9507608869364aebb29014bb23bdf56833f121ac05bdd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB24 | 17888 bytes |
font_01_sfnt_off0001094e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1094E | 16792 bytes |
font_02_sfnt_off00012165.bin055b52fd6fcc8a9708354e84eedbdcb95f5e9edf08a77b0431d140b461292f21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12165 | 10360 bytes |
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