MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous external links, many hosted on disposable domains, suggesting a link farm or phishing lure. The presence of embedded URLs and the PDF's structure point towards it being used as a delivery mechanism for malicious content, likely initiated via spearphishing.
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://pistant.ru/uplcv?utm_term=media+box+apk+android PDF link annotation
- https://seikai.jp/free_images/files/kusaxuzususibavuzas.pdfIn PDF document text
- http://haiannweb.com/uploads/files/62638035786.pdfIn PDF document text
- http://liceoadultos.juniorcollege.cl/userfiles/files/xalakokimuruzowusun.pdfIn PDF document text
- http://wtmongolia.com/materials/file/tumowapokulipojivek.pdfIn PDF document text
- http://watchimport.eu/userfiles/file/1971919170.pdfIn PDF document text
- http://novosib-sport.ru/ckfinder/userfiles/files/4165784362.pdfIn PDF document text
- https://anpheatingandac.com/nbloom/fckuploads/file/86795815371.pdfIn PDF document text
- http://thermcom.cz/userfiles/file/80027206253.pdfIn PDF document text
- http://kayapalinakliyat.com/file/37547970446.pdfIn PDF document text
- http://elverum-revmatiker.no/images/file/linaz.pdfIn PDF document text
- http://www.mbk-montage.nl/ckfinder/userfiles/files/xeromegikabuporevirez.pdfIn PDF document text
- https://millvalley.com/wysiwygfiles/file/rupigi.pdfIn PDF document text
- http://dd-eng.com/files/files/pedaxuzu.pdfIn PDF document text
- https://prestinieurope.ch/userfiles/files/kazabonotisujowadopap.pdfIn PDF document text
- https://arbormaster.net/uploads/files/42397151114.pdfIn PDF document text
- https://www.domosystem.gr/ckfinder/userfiles/files/basiduwalakogujasugozum.pdfIn PDF document text
- http://martom24.pl/martom/userfiles/file/90130152721.pdfIn PDF document text
- https://almondzwealth.com/administrator/imagetemp/file/4212075252.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f80b215e5b---lidusugiliwijujadufi.pdfIn PDF document text
- https://www.winsum.frl/ckfinder/userfiles/files/pizarodiseraz.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/q4f7rl1al6jtkpl6i94cpe1ca8/leginurer.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/jukebatilulov.pdfIn PDF document text
- http://evohome.pl/userfiles/file/punisotasiwowopin.pdfIn PDF document text
- https://cakamuzejs.riga.lv/ckfinder/userfiles/files/gexanufigozafulaj.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_off0000fa48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA48 | 18332 bytes |
SHA-256: bda69ffc903532c284d2f643812d71010506776f48cc58f21334a4bdd530ecee |
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font_01_sfnt_off00012987.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12987 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001419e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1419E | 10400 bytes |
SHA-256: cead321b04721f4d57d4a57d535379a90dc0759fb2c35cc20dd1c1d3fc8f2760 |
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