MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous external URIs, many of which are link farms hosted on disposable domains, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' point towards a campaign designed to redirect users to malicious content, likely for downloading further malware or phishing for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://laborke.ru/uplcv?utm_term=download+driver+for+samsung+scx+3401 PDF link annotation
- https://egyiksem.hu/uploads/file/disafagukowipo.pdfIn PDF document text
- http://studiotravenzolo.it/userfiles/files/98941445203.pdfIn PDF document text
- http://phukientubepxinh.info/gomsu/sanpham/anh/files/xewijejebabaroxasewo.pdfIn PDF document text
- http://romengo.com/ckfinder/userfiles/files/98919640747.pdfIn PDF document text
- https://akgoz.zemta.com/uploads/files/33033146184.pdfIn PDF document text
- http://geologocarmignani.com/userfiles/files/puweforogapefejitibot.pdfIn PDF document text
- http://zekidilektekstil.com/images_upload/files/xonezeferizakisusize.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369f9652890---gatonut.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/16130cd83c5f21---86971997029.pdfIn PDF document text
- http://gfb.it/upload/fck/file/fokavofedafizezopaxupe.pdfIn PDF document text
- http://vicc.huh.hu/UserFiles/File/16670256611.pdfIn PDF document text
- https://amthanhanhsangchinhhang.vn/upload/files/babejup.pdfIn PDF document text
- http://shengyaweb.com/uploadfile/file/2021092219502684.pdfIn PDF document text
- http://rtm-plus.com/ckfinder/userfiles/files/niwatabimavariwakezolog.pdfIn PDF document text
- http://naoshima-habitant.com/images/blog/file/puzal.pdfIn PDF document text
- http://bxbrdh.marketsearching.com/upload/files/3625040703.pdfIn PDF document text
- http://systemsbiology.at/uploads/assets/file/33495376142.pdfIn PDF document text
- http://olech-rzeszow.pl/userfiles/file/bitekefazakobugufufov.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/16139145b565bf---zepopufigititijexot.pdfIn PDF document text
- http://dc-07b6a75bc4d0.breakthrough-physical-therapy.com/userfiles/files/30089328462.pdfIn PDF document text
- http://travelport.pl/userfiles/file/19451250688.pdfIn PDF document text
- https://almudenafernandez.co/ckfinder/userfiles/Files/86858285721.pdfIn PDF document text
- https://bienenaktuell.com/sites/bienenaktuell.com/files/file/71182932593.pdfIn PDF document text
- http://praguetransfer.com/files/file/30388199536.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_off0000b3e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3E6 | 11500 bytes |
SHA-256: 6def4eaec4ee8e61ffbc291e36dee2234e915198700dde888fb8aa1e865eb062 |
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font_01_sfnt_off0000cf1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF1B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e72d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE72D | 18476 bytes |
SHA-256: 0531fa51b5457d4a89b47595e4f894af4c0257eb2d759c39b5c8e4f86c4a5103 |
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