MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. The PDF contains numerous embedded URLs pointing to disposable domains, suggesting a link farm designed to host malicious content or redirect users to phishing sites. The presence of external URIs and the link farm heuristic strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://allytemp.ru/uplcv?utm_term=ios+business+card PDF link annotation
- https://digiconelectronics.com/media/kavogagijetokanidofov.pdfIn PDF document text
- https://ka-base.no/images_content/file/6948336753.pdfIn PDF document text
- https://learnrkb.jugalbandiresearch.com/ckfinder/userfiles/files/rukam.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161428b30a7871---71926963597.pdfIn PDF document text
- http://gesundezellen.com/neu/userfiles/file/wugevudivo.pdfIn PDF document text
- http://becucci.it/userfiles/files/xorizatoj.pdfIn PDF document text
- https://aljuboori.com/userfiles/files/notajanakoxavitev.pdfIn PDF document text
- http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/061939508195.pdfIn PDF document text
- https://praktijk.zorglink.nl/ckfinder/userfiles/files/wutitifoke.pdfIn PDF document text
- https://huangs.tw/uploads/files/202109050644177284.pdfIn PDF document text
- http://eamenfaraz.com/cache/fck_files/file/31329736210.pdfIn PDF document text
- https://maciejabramowicz.pl/upload/files/file/39305417386.pdfIn PDF document text
- http://halaljones.com/uploads/files/91322474693.pdfIn PDF document text
- https://wtmasonry.com/ckfinder/userfiles/files/31314001430.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/161417b6f448af---6207375470.pdfIn PDF document text
- https://gegeny.hu/uploads/file/33438267142.pdfIn PDF document text
- http://tovicetour.com/FileData/ckfinder/files/20210905_37B6C2A09F48DEA2.pdfIn PDF document text
- https://immo-macedo.lu/userfiles/files/leremuvafesujujawowimi.pdfIn PDF document text
- https://kligi.viart.lt/ckfinder/userfiles/files/90047749495.pdfIn PDF document text
- http://szilasfood.hu/pic_upload/files/3279642050.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_off0000c226.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC226 | 10412 bytes |
SHA-256: b0a9eb764d615ddcfaa0e0b8d48d5ee6f3c3893526e6a2820f18a9826874a5d6 |
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font_01_sfnt_off0000d9d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D0 | 17592 bytes |
SHA-256: 27bc367d2db0c590804f2529d9bfdaaf43a21a1a2997338243f84e65a1348bcb |
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font_02_sfnt_off000107ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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