MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The presence of numerous embedded URLs, many on disposable hosting, strongly suggests a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with common phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://chcial.ru/uplcv?utm_term=3d+papercraft+pdf+free PDF link annotation
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/a54dfe9525894a2a7f1670204ba51b28/70064756195.pdfIn PDF document text
- http://artsar.pl/userfiles/file/24490796042.pdfIn PDF document text
- http://flairpens.ru/uploads/files/foturiziwifinosudezanito.pdfIn PDF document text
- http://bienbao.net/uploads/files/mifitum.pdfIn PDF document text
- https://at2-turbo-j3t.com/contents/files/dakabotufo.pdfIn PDF document text
- http://gerastar.com/userfiles/file/sever.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16137ff9ba284e---nimesotav.pdfIn PDF document text
- http://bayernglobal.de/userVZ/file/36587110055.pdfIn PDF document text
- http://savalis.ru/userfiles/file/vikonufatikavokaxasefud.pdfIn PDF document text
- http://wannawwannie.pl/userfiles/file/bikagujuzet.pdfIn PDF document text
- https://sssmri.com/ckfinder/userfiles/files/44669524132.pdfIn PDF document text
- https://braindevelopmentmaps-org.neurondevelopment.org/userfiles/files/korutameji.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/robebidiwofogutaxotibu.pdfIn PDF document text
- https://www.serwkom.pl/plugins/ckfinder/userfiles/files/kedeji.pdfIn PDF document text
- https://msiutilities.net/documents/zivofirukekenin.pdfIn PDF document text
- https://nezrenweb.com/calisma2/files/uploads/50276652738.pdfIn PDF document text
- http://saothienemb.com/uploads/images/files/55151946750.pdfIn PDF document text
- https://cecprint.com/images/file/62562724499.pdfIn PDF document text
- http://nrgmedia.hu/files/file/nubevutobonulesomono.pdfIn PDF document text
- http://ecolservizinettuno.com/userfiles/files/xozijizoluxik.pdfIn PDF document text
- http://www.morrisjones.co.uk/EditorImages/file/bezofujukusudofe.pdfIn PDF document text
- http://pscemetery.com/userfiles/file/zirugim.pdfIn PDF document text
- http://www.binghan.my/userfiles/file/mawuwilirubipug.pdfIn PDF document text
- https://agermag.ro/mm/file/sitepodudasoko.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_off0000e5d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5D6 | 17868 bytes |
SHA-256: f1c1896b48e1a72c24a3d843898287c38c759255219296873f4d601e4a75542c |
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font_01_sfnt_off00011395.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11395 | 10156 bytes |
SHA-256: 1c570cfb325ace9691515fce5b3099e1f5db39f0371661cbd40095fe96a9cb18 |
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font_02_sfnt_off00012a66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A66 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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