MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous embedded URLs pointing to disposable domains, suggesting a link farm designed to redirect users to malicious content. Although no scripts were explicitly extracted, the presence of external URIs and the link farm nature strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://queure.ru/uplcv?utm_term=wav+to+mp3+android PDF link annotation
- http://autolubitel-irk.ru/userfiles/file/vekefafewitefegituku.pdfIn PDF document text
- http://honderhotel.com/UploadFiles/FCKeditor/20210907194914.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16133161e675eb---86416080866.pdfIn PDF document text
- http://sportsclinicwest.ie/media/contents/file/96480757449.pdfIn PDF document text
- http://manpukuorder.com/uploads/files/lisotibilegipenosu.pdfIn PDF document text
- http://www.patriarca-batiment.com/ressource/site-image/files/xixizexuvozuvumumivufu.pdfIn PDF document text
- http://savitaco.com/uploads/images/files/893794378.pdfIn PDF document text
- http://nsk-nalogov.net/upload/files/xipovufamenojajuxozobuz.pdfIn PDF document text
- http://chickenwild.com/upload/contents/images/images/67321275416.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136b3d4e3b27---lisekegunilidegomes.pdfIn PDF document text
- http://lonerangerfanclub.com/ckfinder/userfiles/files/bafipax.pdfIn PDF document text
- http://nakajima-ya.com/upload/save_image/files/66041865738.pdfIn PDF document text
- http://vvk-wiedermann.at/userfiles/file/tokajononexaw.pdfIn PDF document text
- https://hotnewsmd.deca.md/upload/userfiles/files/59577200927.pdfIn PDF document text
- http://softwarefactory.nl/images/file/xalonofifobija.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/72592217866.pdfIn PDF document text
- http://nyitotthetvege.kastelyszallodak.hu/userfiles/files/bovezijefilamara.pdfIn PDF document text
- http://creativetechno.in/userfiles/file/61980065671.pdfIn PDF document text
- https://sunrise-photon.com/upfiles/editor/files/fanipamavoraki.pdfIn PDF document text
- https://cleanenergy.mn/uploads/files/55563154783.pdfIn PDF document text
- https://svltv.in/userfiles/files/85135647486.pdfIn PDF document text
- http://veterina-hrib.cz/user-uploads/files/difokiti.pdfIn PDF document text
- http://kolesnikov.pro/ckfinder/userfiles/files/zeladefifumuk.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_off0000c528.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC528 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD3A | 17056 bytes |
SHA-256: 1a3249de8028b75d2294d1243e9745e9b555c1d22cb1d75357a4fb8fd21de0da |
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font_02_sfnt_off0001090e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1090E | 10440 bytes |
SHA-256: 661cfd400d103f7d94159cd5ffe59d9ceab1076204c73fa65e84aaa9956ad308 |
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