MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting a phishing or malware distribution campaign. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this. No scripts were extracted, but the primary attack pattern involves directing users to external, potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://irlanc.ru/uplcv?utm_term=pdf+2+kindle PDF link annotation
- http://drumlockingclamp.com/FCK_Editor_Images/files/xejafoganotabigu.pdfIn PDF document text
- http://www.klimavill.com/data/editorfile/76721264217.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed134b5e50---97071328971.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132c9bc9147e---98947765204.pdfIn PDF document text
- https://www.speeddating.lt/speeddating/ckfinder/userfiles/files/37692534563.pdfIn PDF document text
- https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/21302714573.pdfIn PDF document text
- http://playonathletics.com/userfiles/file/75003659905.pdfIn PDF document text
- http://tubesealer.com/uploaded/file/627299179614029da0803c.pdfIn PDF document text
- https://firsatpin.com/calisma2/files/uploads/kibotomigabepepob.pdfIn PDF document text
- http://www.sosonomo.com/ckfinder/userfiles/files/berexivipefulugoniki.pdfIn PDF document text
- http://kimyasaldubeller.com/upload/ckfinder/files/livojodotexonetudu.pdfIn PDF document text
- http://tramtronbetong.com/uploads/userfiles/file/duliziraviz.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/vukemude.pdfIn PDF document text
- https://www.hsbofmn.com/ckfinder/userfiles/files/xizozalekixugelulobu.pdfIn PDF document text
- http://ilyxrace.com/userfiles/files/gusanafoxewagepaxinegitid.pdfIn PDF document text
- http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/10538369993.pdfIn PDF document text
- http://35ju.21tg.cn/uploadfile/ckeditor/files/xijomojukuxepazenakoso.pdfIn PDF document text
- http://www.siscbolivia.com/admin/uploaded/fck/file/56153246715.pdfIn PDF document text
- https://hattoco.vn/images/ckeditor/files/pepegupo.pdfIn PDF document text
- https://guijek.com/userfiles/file/55929919910.pdfIn PDF document text
- http://antonio-pelella.eu/userfiles/files/95296509359.pdfIn PDF document text
- http://fruitvita.com/files/files/7772351210.pdfIn PDF document text
- http://jpiano.net/userData/ebizro_board/file/baxutafuzunobotile.pdfIn PDF document text
- https://doitoutdoorz.com/file/Jb8ofxiV3AOqXNn8.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_off0000e1c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1C2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f9d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9D8 | 9912 bytes |
SHA-256: ba805d6a8cfcb48359f1c6498d5ae89b037be39301c19903c914cbaac761bbbf |
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font_02_sfnt_off00010fcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FCB | 17604 bytes |
SHA-256: 4513eeb83df34d76af34997476f66703e3b07856fd716af0909616d615a02a67 |
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