MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, suggesting an attempt to redirect users to malicious content. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM specifically points to this behavior, indicating a tactic to obscure the ultimate destination of the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://drafthe.ru/uplcv?utm_term=igi+mod+apk+download PDF link annotation
- https://perkunasstudio.com/uploads/files/202109051551222019.pdfIn PDF document text
- http://prestopc.it/upload/file/92345076957.pdfIn PDF document text
- http://haphadoor.com/upload/files/nulemefanakigumu.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/vunamikone.pdfIn PDF document text
- http://avision-italia.com/userfiles/files/76323307913.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135c91d918ab---fumuw.pdfIn PDF document text
- https://tauthuy.vn/upload/files/60721068792.pdfIn PDF document text
- https://digireg.ru/upload/27514109684.pdfIn PDF document text
- http://teacherandtraining.com/coj_u/KK/userfiles/files/zadanoxesiworebujuzusimo.pdfIn PDF document text
- http://sns-russia.ru/userfiles/file/36525118883.pdfIn PDF document text
- http://myflora888.com/ck_files/files/3701691156.pdfIn PDF document text
- http://denkobarbell.com/_upload/files/golemexadojejilek.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16134349c9985d---ludogejaratep.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1613798cca0748---sipemugo.pdfIn PDF document text
- https://defrokatilai.lt/images/files/vagakiwuwusutujidotegu.pdfIn PDF document text
- http://boston.pl/fck_pliki/file/43302549395.pdfIn PDF document text
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wologinakonegipugikebuk.pdfIn PDF document text
- https://gyn-koe70.de/obrazky/file/nigasulov.pdfIn PDF document text
- http://luxcottage.ru/stroykamen/userfiles/files/fogutifekodisu.pdfIn PDF document text
- http://atomiccm.com/userfiles/files/libobixor.pdfIn PDF document text
- https://www.uflo.edu.ar/ckfinder/archivos/documentos/runamivedufole.pdfIn PDF document text
- http://studioghittigargnano.com/userfiles/files/25848131777.pdfIn PDF document text
- https://airxps.com/userfiles/files/92040793798.pdfIn PDF document text
- http://loscogliodifavignana.it/userfiles/files/10635226369.pdfIn PDF document text
- http://maryalo.com/userData/board/file/zepibetulemudokogevugit.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_off0000b820.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB820 | 10368 bytes |
SHA-256: aacb68b7afbf45ffe281f60c66d610e813f3c0fe5a24e17a75adc00a1b595531 |
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font_01_sfnt_off0000cf44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE756 | 16768 bytes |
SHA-256: 89ecc34c6e8768dcb951a6fb52c1a3025dd1d448a84abf30c9b28cdcc14505ab |
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