MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to link farms hosted on disposable domains, suggesting an attempt to redirect users to malicious sites. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a strategy of using many low-reputation links to obscure the final destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://laborke.ru/uplcv?utm_term=ascii+heart+copy+and+paste PDF link annotation
- https://eravukappalpalli.com/userfiles/file/67186358399.pdfIn PDF document text
- https://www.blondel-bois.fr/ckfinder/userfiles/files/kopemosuj.pdfIn PDF document text
- http://119pump.net/d/files/33169960486.pdfIn PDF document text
- http://queensparkview.com/image/upload/File/futuzoxorefeta.pdfIn PDF document text
- http://abwalabamaave.com/uploads/files/43978570115.pdfIn PDF document text
- https://virker-ikke.dk/files/1807026158.pdfIn PDF document text
- http://glavis.biz/userfiles/file/dunelazite.pdfIn PDF document text
- https://tsolisp.com/files/file/99837012459.pdfIn PDF document text
- http://lexprikson.com/admin/style/images/userfiles/file/kawasubofitigalalonifupe.pdfIn PDF document text
- http://medicom.pl/userfiles/file/9364746802.pdfIn PDF document text
- http://www.salac.cz/ckfinder/userfiles/files/78229827658.pdfIn PDF document text
- http://asijskepotraviny.cz/files/file/78766153775.pdfIn PDF document text
- https://timminsrenovations.ca/file/aKsGqNipRQroYJIn.pdfIn PDF document text
- http://sghscsjamarai.org/guruhargobind/userfiles/file/49796370392.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614198f3aacfc---bafuzededaxumu.pdfIn PDF document text
- http://srcchaika.ru/files/uploads/files/xabena.pdfIn PDF document text
- https://eksiliotomotiv.com/upload/ckfinder/files/niputilalasiwon.pdfIn PDF document text
- http://vitccorp.com/uploads/userfiles/file/sadek.pdfIn PDF document text
- http://gps-ambroisie.com/ressource/site-image/files/miveda.pdfIn PDF document text
- https://optimustelecoms.com/ckfinder/userfiles/files/40279968611.pdfIn PDF document text
- http://shrlie.com/upload_fck/file/2021-9-7/20210907190521652753.pdfIn PDF document text
- https://greenlandpark.com/uploads/files/tolumirewopupujez.pdfIn PDF document text
- http://taeguektour.com/FileData/ckfinder/files/20210914_90DA23B0A15BF889.pdfIn PDF document text
- http://herbwaterthailand.com/userfiles/files/jirugosanipaxus.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_off0000bc9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC9B | 10660 bytes |
SHA-256: 60cb0f57daa2997a9921285b9a1be0033b08c1c987a08dd3c477d47e7298e23f |
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font_01_sfnt_off0000d50b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD50B | 19280 bytes |
SHA-256: 86b9ba74329783c856661831f969e5ec6a16ee7a9dd1371b2a45c6dc5108d54e |
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font_02_sfnt_off00010722.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10722 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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