MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and is flagged as a link farm on disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to trick users into downloading a payload. While no scripts were directly extracted, the PDF structure and URL patterns are consistent with malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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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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 https://smidgel.ru/uplcv?utm_term=subway+surfers+for+desktop+free+download PDF link annotation
- https://asztromiskolc.hu/ckfinder/userfiles/files/84343854903.pdfIn PDF document text
- https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/vovisojugepurenuseso.pdfIn PDF document text
- http://geodavidepini.it/userfiles/files/76900396902.pdfIn PDF document text
- https://damsindia.org/admin/uploads/file/tofafefokasi.pdfIn PDF document text
- http://clubsahdianagalati.ro/upload/editor/file/kurowikagepumikaja.pdfIn PDF document text
- http://www.nbc.com.vn/ckfinder/userfiles/files/69663502226.pdfIn PDF document text
- http://phutungvespaco.com/luutru/files/diletemuvawikoporawi.pdfIn PDF document text
- http://logistra.fr/ressource/site-image/files/4231109532.pdfIn PDF document text
- http://grupafurman.pl/!mag2011/userfiles/file/bukowisofav.pdfIn PDF document text
- http://kibunajcc.com/ckfinder/userfiles/files/tukazenaxunemuvozeg.pdfIn PDF document text
- https://ourcampuswindow.com/ckfinder/userfiles/files/14845069030.pdfIn PDF document text
- http://www.pilartangguh.com/file/kimozaziga.pdfIn PDF document text
- http://www.nachtruhe.info/up/files/58865604428.pdfIn PDF document text
- http://isgsrl.it/images/file/zunuw.pdfIn PDF document text
- https://volnynaklad.cz/data/file/mepepevoru.pdfIn PDF document text
- https://kiofruits.com/admin/uploads/files/wikozizepitipefusud.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/a43bf36b07e2a1f253c2631c7e2e598e/nuxirelesiwusivadu.pdfIn PDF document text
- https://xnkvinatimex.com/uploads/files/tuvadupusutug.pdfIn PDF document text
- http://hmed.vn/upload/files/putoke.pdfIn PDF document text
- http://tcyy88.com/userfiles/file/2021090723084773499.pdfIn PDF document text
- http://immobiliareborghi.com/userfiles/files/47621567780.pdfIn PDF document text
- https://dom4m.de/userfiles/files/88612270645.pdfIn PDF document text
- http://bioaec.com/userfiles/files/tuxagamipew.pdfIn PDF document text
- http://np-laser.com/upload_fck/file/2021-9-8/20210908100515195908.pdfIn PDF document text
- http://1-champagne.com/blog_images/blog_/file/gufowom.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_off0000be56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE56 | 11004 bytes |
SHA-256: bef2cb696633995c1b84f719098d23d13f60a297c31bd5c77dec6fa395713283 |
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font_01_sfnt_off0000d7ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7EF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f001.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF001 | 16916 bytes |
SHA-256: 94d86dc3e5f4af1e1c3122dfba355cb6e10d57032afb4d83d488d3be126b2d35 |
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