MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, hosting numerous links to disposable domains, likely to distribute further malicious content or conduct phishing. Although no scripts were explicitly extracted, the PDF structure and its nature as a link farm suggest potential for embedded JavaScript or other exploits to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://smidgel.ru/uplcv?utm_term=chapter+16+solids+liquids+and+gases+note+taking+worksheet+answers PDF link annotation
- https://ihappywash.com/uploads/files/202109041653288006.pdfIn PDF document text
- https://global-product.org/CKEdit/upload/files/90465757557.pdfIn PDF document text
- https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/75766116994.pdfIn PDF document text
- https://hanedantoptan.com/upload/files/37609836715.pdfIn PDF document text
- http://coral-travel66.ru/admin/ckfinder/userfiles/files/65862804685.pdfIn PDF document text
- http://capriololaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kawuzifixiwepagiloman.pdfIn PDF document text
- https://www.casestilistas.es/ckfinder/userfiles/files/puboloj.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/gabulajegetumikujotibabup.pdfIn PDF document text
- http://bijverhoeven.nl/uploads/files/lubulofumeg.pdfIn PDF document text
- https://www.premiumtrade.ro/ckfinder/userfiles/files/darisogokid.pdfIn PDF document text
- http://kangmeideyiliao.com/uploadfile/file///2021090419030411.pdfIn PDF document text
- https://icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/33721474468.pdfIn PDF document text
- http://sswjeans.com/files/66055822612.pdfIn PDF document text
- https://ratoempat.com/contents/files/74856100089.pdfIn PDF document text
- https://jsptti.com/ckeditor/ckfinder/userfiles/files/96935746388.pdfIn PDF document text
- http://0985028898.kad.tw/kads/ckfinder/userfiles/files/59372828051.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16130836d81b84---bujifumil.pdfIn PDF document text
- https://xeroxexpres.cz/userfiles/file/31900270893.pdfIn PDF document text
- https://sharmtocairo.com/userfiles/files/97441297733.pdfIn PDF document text
- http://bowenlawmt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/95180385413.pdfIn PDF document text
- https://khabul.mn/mmpa/userfiles/files/12703477333.pdfIn PDF document text
- http://palletgoanloi.com/img-dn/files/46093557277.pdfIn PDF document text
- https://doktor-ara.com/userfiles/files/gobire.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_off00010af5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AF5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012307.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12307 | 18484 bytes |
SHA-256: 7a32ca1360c0b4cac10cede03c1c0a94c8aed10cfb4b78c87eb606a46397e58e |
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font_02_sfnt_off00015392.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15392 | 11348 bytes |
SHA-256: d76dd8e917dd6e9afdd04c80db8251fa2bdce07d93fb3c9c5d4432d56435e5d6 |
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