MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to potentially malicious or phishing sites, and the PDF structure suggests it functions as a link farm. The presence of external URIs and the ML_NYX_PDF_MALICIOUS heuristic strongly suggest a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://pixomot.ru/uplcv?utm_term=appblock+premium+apk PDF link annotation
- http://czpohledavky.cz/userfiles/files/71411132391.pdfIn PDF document text
- http://chelseacarpet.com/ckfinder/userfiles/uploads/30992119673.pdfIn PDF document text
- http://generaldistco.com/images/file/21200153296.pdfIn PDF document text
- https://tourpon.kr/FileData/ckfinder/files/20210914_DC9AA496B209698E.pdfIn PDF document text
- http://gkz-crimea.ru/userfiles/file/zaraxeradafinukixeboxir.pdfIn PDF document text
- http://tiramisu-o.com/yamituki-n/uploads/files/weguwepabapazetavomi.pdfIn PDF document text
- https://it-remarketing.pl/app/webroot/media/files/50012622926.pdfIn PDF document text
- http://factblogs.com/uploaded_files/userfiles/files/42837551130.pdfIn PDF document text
- https://thefencedocumentary.com/adminfiles/file/pefatutoxerojafosurumit.pdfIn PDF document text
- http://karate-talence.com/newsite/userfiles/files/12829084602.pdfIn PDF document text
- http://www.siphonicflowmandiri.com/upload/files/vasofowejufanidujurozib.pdfIn PDF document text
- http://www.yeosung21.or.kr/ckfinder/userfiles/files/1631282069.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a66d218877---luduzuzo.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/161322504e9aed---zugixorutarikepofugirax.pdfIn PDF document text
- https://sentinels.ro/userfiles/file/21109289780.pdfIn PDF document text
- http://www.verneteco.com/ckfinder/userfiles/files/bukavizatetab.pdfIn PDF document text
- https://primer-spb.ru/files/files/valekovamitagarezuzunor.pdfIn PDF document text
- http://gabortech.com/admin/file/voravagorupom.pdfIn PDF document text
- https://parisnordmedical.fr/docs/file/85795811223.pdfIn PDF document text
- http://eshop-kocicinadeje.cz/files/file/revofolagugebinerumif.pdfIn PDF document text
- https://airshow-bg.com/file/53145653774.pdfIn PDF document text
- http://pyramidplaster.com/file_media/file_image/file/tabejibevadadiberakado.pdfIn PDF document text
- https://tranthachcaodanang.com/uploads/image/files/4486659835.pdfIn PDF document text
- http://ornito-silesia.eu/userfiles/file/78650207943.pdfIn PDF document text
- http://asiadomainstore.com/userfiles/file/birosijevikepuki.pdfIn PDF document text
- http://nage-z.com/ckfinder/userfiles/files/10368035682.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_off0000d957.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD957 | 17300 bytes |
SHA-256: 6313fc83e546082ec19ee276f4d700eda8c55dbb16c3ba51b518dbd54cbf8019 |
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font_01_sfnt_off00010630.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10630 | 10476 bytes |
SHA-256: d2aff879cb88d11a8dc97367836e60673492b1192fb6667ace8a625b79f97e32 |
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font_02_sfnt_off00011dc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DC3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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