MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it functions as a link farm. The numerous embedded URLs, many pointing to disposable domains, suggest an attempt to redirect users to malicious sites. The presence of a PDF exploit is also indicated, likely used to deliver the malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://harkakotony.hu/UserFiles/file/8432197863.pdf In PDF document text
- https://pointwebhost.com/calisma2/files/uploads/92990240416.pdfIn PDF document text
- http://jinshi66.com/uploadfiles/files/larama.pdfIn PDF document text
- http://087334211.kad.tw/kads/ckfinder/userfiles/files/47986113494.pdfIn PDF document text
- https://www.afoa.org.ar/backend/ckfinder/userfiles/files/fixuzifakumilebo.pdfIn PDF document text
- http://xn--80aaaghhaztbcd1agjgbccsgfftf.xn--p1ai/pict/file/zuxivofuwopizu.pdfIn PDF document text
- http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/maxugunuwazazijo.pdfIn PDF document text
- http://erex.hu/upload/file/ruvonufifetiwurovawidun.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/46b53c753196b5062cf692bab07a9393/44569991732.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161336b8e4df99---vubutarazafipamanigazuju.pdfIn PDF document text
- http://twtqedu.com/userData/ebizro_board/file/vapugazosodumanapobik.pdfIn PDF document text
- http://lignumweb.com/site/webroot/uploads/files/39241394996.pdfIn PDF document text
- http://avvocatogiuliani.it/userfiles/files/vomazijilafifevezatogud.pdfIn PDF document text
- https://officialbacknumber.com/editor_up/busavedidekakulojotov.pdfIn PDF document text
- http://matraholding.hu/images/userfiles/files/fexiraranob.pdfIn PDF document text
- http://csc028.com/userfiles/file/20210901231112_azrbvr.pdfIn PDF document text
- http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/jivetimesawonojopujawis.pdfIn PDF document text
- https://fenicia.uy/fenicia.com.uy/uploads/files/wisupa.pdfIn PDF document text
- https://die-elke.de/cms/elke_page_files/file/tewapufijofo.pdfIn PDF document text
- http://silver.jo/ckfinder/blanc/files/fopasobefanopugure.pdfIn PDF document text
- https://albawadiroad.com/userfiles/files/xerixixiwalebofemejedatad.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/89169961889.pdfIn PDF document text
- http://rigassprotes.lv/uploadz/file/63676737463.pdfIn PDF document text
- http://sumbulefendiegitimvakfi.com/resimler/files/wegazefaxatababutobite.pdfIn PDF document text
- http://sanarina-coaching.de/ckfinder/userfiles/files/44016933077.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=sas+planet+for+androidPDF link annotation
- 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_off0000e3f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F5 | 20296 bytes |
SHA-256: c79e6d1e969207739e670cf4da0de4245360293b930737f3714f8fa0eb922f75 |
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font_01_sfnt_off00011800.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11800 | 10564 bytes |
SHA-256: 268b18936b19e19da7b5bb21266447bcde67401a00fe6330b2470db66fc7ecd9 |
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font_02_sfnt_off0001302e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1302E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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