MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by multiple heuristics, including a high-confidence ML classifier and a specific rule indicating a remote-support tool lure. The presence of numerous embedded URLs, many pointing to potentially malicious domains, suggests an attempt to redirect the user to a malicious site or download further payloads. While no scripts were explicitly extracted, the nature of the lure and the embedded URLs strongly indicate a phishing or social engineering attack aimed at compromising the user's system.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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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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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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://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/keripanigofopivenokeweni.pdf In PDF document text
- http://luligang.com/ckfinder/userfiles/files/fofotevizopuzu.pdfIn PDF document text
- https://olterus.org/contents/files/jesig.pdfIn PDF document text
- http://aajude.pt/backoffice/ckfinder/userfiles/files/tozolekivaxedogogu.pdfIn PDF document text
- https://tekstilkentrehber.com/upload/ckfinder/files/pakelozunazasuked.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/9983559c0ea87360f80556c034e8808d/gipizawadefagena.pdfIn PDF document text
- https://ekinyalitim.com/depo/sayfaresim/file/10231266742.pdfIn PDF document text
- http://sukhonthip.com/file_media/file_image/file/luxafijinugufigude.pdfIn PDF document text
- https://vcubusinesssolutions.com/userfiles/file/48291701309.pdfIn PDF document text
- http://fsgpj.com/upfolder/e/files/20210909155245.pdfIn PDF document text
- https://zippy-inc.com/app/webroot/userfiles/files/32890057974.pdfIn PDF document text
- http://xn--80ahcjevtqq.xn--p1ai/ckfinder/userfiles/files/19364014694.pdfIn PDF document text
- http://ohxto.com/uploaded_files/userfiles/files/65296828316.pdfIn PDF document text
- https://m-astar.com/UserFiles/files/fibexevunosefokav.pdfIn PDF document text
- https://pikhospital.com/ck_uploads/uploads/files/45684886972.pdfIn PDF document text
- https://barrier.exma.cl/ckfinder/userfiles/files/poguguw.pdfIn PDF document text
- http://birdwatching.sk/media/file/88854920616.pdfIn PDF document text
- http://crediramasrl.it/public/file/zugoxuxabilarumofesulekak.pdfIn PDF document text
- https://angelsolutions.ro/ckeditor/ckfinder/userfiles/files/redetakozos.pdfIn PDF document text
- http://alburigiott.it/userfiles/files/pupolelepekude.pdfIn PDF document text
- http://www.vegagastro.pl/upload/file/kefidaworoxewigo.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/nizebibikozedokozas.pdfIn PDF document text
- https://skvely-kup.cz/files/file/87879882172.pdfIn PDF document text
- https://brillimet.com/uploads/files/202109011514061635.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=screen+stream+over+http+iosPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d020.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD020 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e837.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE837 | 10736 bytes |
SHA-256: cf67d55dc886ed047c44a6bde559f6878397b7cdbe21894ea00fb0b81d79aadb |
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font_02_sfnt_off000100b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100B7 | 18620 bytes |
SHA-256: 89e0827052a440f4dffe830e290e8b167169bc762df6a2bc7ec38a3d166e879b |
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