MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to redirect users. Heuristics suggest this is a phishing or malware distribution attempt, as confirmed by ML classification and ClamAV detection. The primary function appears to be directing users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://smidgel.ru/uplcv?utm_term=17+inches+to+cm PDF link annotation
- https://cubic.is/userfiles/file/87393212425.pdfIn PDF document text
- http://maslag.eu/userfiles/file/bojexadalarosibamusa.pdfIn PDF document text
- https://questyme.ca/userfiles/file/liroxurebidenejewijo.pdfIn PDF document text
- http://domario.ru/userfiles/file/71507829752.pdfIn PDF document text
- http://brette-animation.com/userfiles/file/mowujuko.pdfIn PDF document text
- https://efficientinfocomm.com/ckfinder/userfiles/files/52359851354.pdfIn PDF document text
- http://betonkeritesek.eu/Content/files/19086616996.pdfIn PDF document text
- https://pasarangroup1.com/contents/files/woxatopokajebivuw.pdfIn PDF document text
- http://cybernet-ap.com/UserFiles/File/35163539170.pdfIn PDF document text
- http://premiercontractinginc.com/files/file/55030570141.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1615704eb54f90---dotidilobufokadebo.pdfIn PDF document text
- http://9meclinic.com/ckfinder/userfiles/files/delukobenopegoninurinojo.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613805b1983bc---ramabamedaw.pdfIn PDF document text
- https://fereshtegan.net/basefile/fereshtegannet/files/xufadubakopuvejosipiliz.pdfIn PDF document text
- https://stpm-sa.com/userfiles/file/21499581958.pdfIn PDF document text
- http://mastera-mix.ru/ckfinder/userfiles/files/nopulatexeso.pdfIn PDF document text
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/69d7374a92fc8fa8cf40e5061582b896/81205963482.pdfIn PDF document text
- https://motoquadro.de/userfiles/file/soxopesuzugumajejubev.pdfIn PDF document text
- https://taybaite.com/userfiles/file/vuzarewoko.pdfIn PDF document text
- http://chrisnoblelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/76606738211.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16152f57d6f792---remagula.pdfIn PDF document text
- http://bezpiecznamlodosc.org/files/file/gulumeg.pdfIn PDF document text
- https://lawweb.info/mycms/admin/userfiles/file/sigekizewa.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_off0000d9bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1D4 | 10192 bytes |
SHA-256: b5ebf3a83715fdf323134a21375f91ef9d1f42baae0c1c49b6e25c1873b0f436 |
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font_02_sfnt_off00010888.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10888 | 17072 bytes |
SHA-256: dd9f50c599723a6bb8e41bf4b51a9717d4f8c8bb23dd336a68439f0d485ca952 |
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