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, many of which point to PDF files on potentially disposable hosting, suggesting a link farm or phishing lure. The PDF structure itself is also flagged for suspicious link farming behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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 http://contrast.no/ckfinder/userfiles/files/78326689562.pdf In PDF document text
- http://www.ocptecnology.com/admin/uploaded/fck/file/korusenanupawemifomilebu.pdfIn PDF document text
- https://terlickodds.cz/www/www/fckphotos/file/gudeka.pdfIn PDF document text
- https://cnc-ar.ro/files/file/61832825672.pdfIn PDF document text
- https://villadorottya.hu/uploads/frontend/files/ralizizusid.pdfIn PDF document text
- http://dienvietbac.com/uploads/files/2216107565.pdfIn PDF document text
- http://elazentrale.de/images/uploaded/file/19420822150.pdfIn PDF document text
- http://ipayon.com/root/FCKeditor/file/80321232590.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/c78839d24c9e32ae2993434328792a0e/juxebuboxozadexufa.pdfIn PDF document text
- http://lecieldesandes.fr/ckfinder/userfiles/files/duniwepivupagaviros.pdfIn PDF document text
- http://yoron.net/up/files/18406916601.pdfIn PDF document text
- https://vanphongphampmc.com/upload/files/7918005621.pdfIn PDF document text
- http://decaiyun.com/upload/file/210910054525517845ws67d56fsb9p.pdfIn PDF document text
- http://indel.sk/userfiles/file/xefejoveroxil.pdfIn PDF document text
- http://medicamarsala.it/userfiles/files/dakafepigesabijegukudil.pdfIn PDF document text
- http://win-sonic.com/ck_imgs/files/zises.pdfIn PDF document text
- http://khunghinhdepphuctin.com/media/ftp/file/fidizugojomedujesut.pdfIn PDF document text
- https://sca-eagleegg5k.com/ckfinder/triplebuserfiles/file/loruk.pdfIn PDF document text
- http://mastera-mix.ru/ckfinder/userfiles/files/12240806567.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613334e266af8---25354551072.pdfIn PDF document text
- https://korzo-galeria.hu/files/file/77816702870.pdfIn PDF document text
- https://ccaquebec.com/userupload/files/18637563860.pdfIn PDF document text
- http://www.agot.pl/upload/file/siduket.pdfIn PDF document text
- https://sarvodayasamaj.uk/upload/files/10530350675.pdfIn PDF document text
- http://ajk-opakowania.eu/upload/fck/file/bidujovejuwezog.pdfIn PDF document text
- http://ilksolar.com/Images/Media/files/kenamosupur.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=naruto+sadness+and+sorrow+violin+sheet+musicPDF link annotation
- 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_off00010446.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10446 | 10864 bytes |
SHA-256: 7a8960dba2e5f681c3fc3a04877ad76f35e393c829950b684cb1b44c67911567 |
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font_01_sfnt_off00011d3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D3E | 20660 bytes |
SHA-256: 15bed7394c3a0fa8d981e5054a72b7950e84d3e6506093b5e80a00a791b02bfc |
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font_02_sfnt_off000153a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x153A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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