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 a link farm hosted on disposable domains, suggesting an attempt to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicates this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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=house+of+fun+free+coins+and+spins+bonus+collector PDF link annotation
- https://robertbah.si/files/file/piperunuwovovavubor.pdfIn PDF document text
- https://pannonfinanz.eu/editor_up/98911723295.pdfIn PDF document text
- https://hobbypet.cz/files/file/88786475904.pdfIn PDF document text
- http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/48807784601.pdfIn PDF document text
- https://angel-juicer.com/FileData/ckfinder/files/20210905_13FE956F336A04CC.pdfIn PDF document text
- https://pvesc.vn/uploaded/file/lakolufulazepadiji.pdfIn PDF document text
- https://espiber.cl/images/uploadedimages/file/fugeruvisuloxagitaleb.pdfIn PDF document text
- http://dzstock.com/Upfiles/file/rutukawo.pdfIn PDF document text
- https://thaiwoodengames.com/files/upload/files/48104222339.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/doninudaxevoz.pdfIn PDF document text
- https://mk-sito.it/uploads/file/totokitipupaxutedumenemof.pdfIn PDF document text
- http://bamor.org/userfiles/file/9022534605.pdfIn PDF document text
- http://immopolignano.lu/images/22705674771.pdfIn PDF document text
- http://elisa5888.com/shopadmin/upload/files/puwuk.pdfIn PDF document text
- http://beloezoloto.ru/userfiles/file/jegijizunejugefutodi.pdfIn PDF document text
- https://vientangluc.com/upload/files/71917312116.pdfIn PDF document text
- https://essuances.com/ckfinder/userfiles/files/1325055849.pdfIn PDF document text
- http://metrominicabs.com/survey/userfiles/files/89893664494.pdfIn PDF document text
- http://clairerolo.com/userfiles/file/48258893484.pdfIn PDF document text
- https://dewalt-naradi.cz/media/upload/editor/file/22049878177.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d3844d1332---68041400934.pdfIn PDF document text
- http://meyergarden.com/ckfinder/userfiles/files/ruburolikunudodagozir.pdfIn PDF document text
- http://www.lalorraineperdue.com/documents/9230037298.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612f409933a81---46813039935.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_off0000c082.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC082 | 10844 bytes |
SHA-256: 08b3d39d1022843b7e6ff27a38024c04680554ab8a0e5815e89b9791c2009f6c |
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font_01_sfnt_off0000d967.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD967 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f179.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF179 | 17288 bytes |
SHA-256: d9d365508d925ad564e534fa30ce737458a096024c0df9531b50f74abca64a62 |
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