MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest the document's purpose is to redirect users to potentially malicious websites. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure points to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://queure.ru/uplcv?utm_term=sentido+del+olfato+anatomia+pdf PDF link annotation
- https://luxm.pl/userfiles/file/16447219957.pdfIn PDF document text
- https://wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/mirumuwizot.pdfIn PDF document text
- http://arredamenticucinesiciliane.it/userfiles/files/wetiludonopazumabur.pdfIn PDF document text
- http://studiolorenzoni.eu/userfiles/files/sofufunugepido.pdfIn PDF document text
- https://karlholmbygg.se/UserFiles/files/62445190284.pdfIn PDF document text
- http://stark-tools.ru/images/uploaded/58477850095.pdfIn PDF document text
- http://gearonlaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wikemosatesogokoxiriko.pdfIn PDF document text
- http://ippinnudon.com/uploads/files/fovopanelowozezujutere.pdfIn PDF document text
- http://hstairan.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/99264090681.pdfIn PDF document text
- http://spad.kr/userData/ebizro_board/file/menubejipinunawiw.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614474da44da0---lamame.pdfIn PDF document text
- http://teresachild.com/upload/files/lalusirejebikogusepok.pdfIn PDF document text
- http://fujavietnam.com/images/Download/soruzujewap.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/931022605a39d993077e5ea82bee509e/lokamerebudidupidizure.pdfIn PDF document text
- https://www.gpaci.org.br/cms/ckfinder/userfiles/files/tilarazijepodexufotez.pdfIn PDF document text
- http://idrogastermoclima.it/Utentifile/FCKPage/file/migitolo.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/mirarafovoto.pdfIn PDF document text
- https://lengthening-sldf.com/userfiles/file/42574048418.pdfIn PDF document text
- http://polipadel.com/userfiles/file/nakixuwegezamusesuparezi.pdfIn PDF document text
- https://oancora.com/ckfinder/files/21746311390.pdfIn PDF document text
- http://salamino.pl/userfiles/file/48870522913.pdfIn PDF document text
- http://isagenixmakessense.com/ckfinder/userfiles/files/sewowosisulobusulak.pdfIn PDF document text
- http://izeninfo.net/admin/upload/files/jamoj.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_off0000da55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA55 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f267.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF267 | 18280 bytes |
SHA-256: f99da880a76e2bd1071e8ac7b8f5d68e00bef34a8f798753ee0a38fd9193224c |
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font_02_sfnt_off00011fda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FDA | 10468 bytes |
SHA-256: d2074411772e38bdb25204c60bd6ede30778ab5ccb6a9855ecb124c46ad11cf1 |
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