MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file is identified as malicious by ClamAV and a machine learning classifier. It employs an image-only lure, a common tactic for phishing or malware distribution. The document contains numerous embedded URLs, many pointing to disposable hosting, suggesting an attempt to redirect users to malicious sites. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this. No scripts were extracted, but the overall structure and URL patterns are indicative of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://smidgel.ru/uplcv?utm_term=low+grade+ovarian+cancer PDF link annotation
- https://servicepapik.ro/files/75211724776.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/40914956773.pdfIn PDF document text
- https://bdblue.com/ckfinder/userfiles/files/josovebafobin.pdfIn PDF document text
- http://yuc-fac.com/uploadfiles/20210904004343.pdfIn PDF document text
- http://xn--hh0b97d8is16e.com/userData/board/file/83423675792.pdfIn PDF document text
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/161369e2aa0ec5---9519624857.pdfIn PDF document text
- http://kartywspomnien.pl/uploads/assets/file/8515309766.pdfIn PDF document text
- http://xn--h1agcmh.com/ckfinder/userfiles/files/natawekijodanetuna.pdfIn PDF document text
- http://www.saletime.gr/admin/fckfiles/file/16166838074.pdfIn PDF document text
- http://abcbyspu.net/ckfinder/images_store/files/bemuzil.pdfIn PDF document text
- https://aljuboori.com/userfiles/files/68787852475.pdfIn PDF document text
- http://mwcapital.net/ckfinder/userfiles/files/91186315061.pdfIn PDF document text
- https://medgal.pl/admin/ckfinder/userfiles/files/puwapekajudewopinas.pdfIn PDF document text
- https://www.cifphosteleriayturismo.es/ckfinder/userfiles/files/febolijeribomiramower.pdfIn PDF document text
- https://grdr.org/paidel/ckfinder/userfiles/files/xojejolulikozuxunijajelo.pdfIn PDF document text
- https://777mto.com/contents/files/25607795162.pdfIn PDF document text
- https://ripedesign.com/app/webroot/files/fckeditor/file/zajovidufumekane.pdfIn PDF document text
- http://yonseri.org/userfiles/files/vumedilumivamofuwo.pdfIn PDF document text
- http://mariamozharova.ru/uploads/files/46104012463.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/6ef3c58abb80e602603112f4d517739a/80382586995.pdfIn PDF document text
- http://thechitay.com/uploads/userfiles/file/jenavulojewatizexuseti.pdfIn PDF document text
- http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/fojosubogitabavarubavosum.pdfIn PDF document text
- https://bednidhitraders.com/userfiles/file/13376297657.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/dufanobezegarenomes.pdfIn PDF document text
- https://vnnc.vn/img-hdmedia/files/97770537876.pdfIn PDF document text
- 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_off0000afa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFA3 | 10344 bytes |
SHA-256: f5cfca68871cfb58ac837fecd8ce00b0de6c7ffd8c628690ddb86a740bab7e85 |
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font_01_sfnt_off0000c6eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000defd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEFD | 13980 bytes |
SHA-256: 94a547598a0e28bc73441c5126865afbbc345642f4d9793d8f1fc064ecbe4ea4 |
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