MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous embedded URLs, many pointing to disposable hosting and using UTM parameters, strongly suggests a phishing or link-farming attack pattern. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with techniques used to redirect users to malicious sites.
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://crysiq.ru/uplcv?utm_term=words+with+gn+at+the+beginning PDF link annotation
- http://guides2alpes.org/uploads/file/vimajaxomogikumime.pdfIn PDF document text
- https://croatia-flyfishing.com/files/22404871284.pdfIn PDF document text
- https://henseltech.cz/userfiles/file/17013809022.pdfIn PDF document text
- http://0-50.ru/userfiles/file/digin.pdfIn PDF document text
- https://lemarko.com/userfiles/file/26083787286.pdfIn PDF document text
- http://e-district.org/userfiles/file/18605721624.pdfIn PDF document text
- http://kayapalinakliyat.net/file/fukasawupexojegi.pdfIn PDF document text
- https://onlineadda.organicemall.com/ckfinder/userfiles/files/javesofitamipafid.pdfIn PDF document text
- https://xn--dokumaanahtarlk-llc.net/userfiles/file/kumelegezuni.pdfIn PDF document text
- https://best-label.com/upload/files/webime.pdfIn PDF document text
- http://thucphamchucnangmy.vn/uploads/files/fememuzukukofajebusotubon.pdfIn PDF document text
- https://aodaixuan.vn/app/webroot/upload/image/files/rorubepanalemopimureretor.pdfIn PDF document text
- http://offerseir.com/basefile/offerseircom/files/55431828685.pdfIn PDF document text
- http://abc-tel.ru/data/File/15911482777.pdfIn PDF document text
- https://confetti-seasons.ru/upload/files/gototajipumimepoviminox.pdfIn PDF document text
- http://onlytech-tunisie.com/userfiles/file/kugifukomejijaseduxawuk.pdfIn PDF document text
- http://119pump.net/d/files/76407396268.pdfIn PDF document text
- http://ptairsupply.com/userfiles/file/52673942632.pdfIn PDF document text
- https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/71536801471.pdfIn PDF document text
- https://floridahouselottery.com/test/userfiles/file/boxuvovufedipogegupameliw.pdfIn PDF document text
- http://kelvista.lt/images/files/19375734486.pdfIn PDF document text
- http://slabowidzacy.smprzemysl.pl/ckfinder/userfiles/files/21593399846.pdfIn PDF document text
- http://ellenia3.eu/userfiles/files/41481419399.pdfIn PDF document text
- https://cambodiaangkorhomestay.com/userfiles/file/wunage.pdfIn PDF document text
- http://elezioni2014.gds.it/userfiles/file/mekariguvinupuv.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_off0000c431.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC431 | 18128 bytes |
SHA-256: ccc9773418d5f3eab89c46eb7e3d1e5a3adcf6c9649af9dd1485068a37b8367c |
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font_01_sfnt_off0000f3ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010bc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC5 | 10700 bytes |
SHA-256: 4052630b403524927dd3e087453976b8836969339a81a651e62983bab277eba1 |
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