MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised websites and potentially disposable hosting, which is a common tactic for phishing or distributing further malware. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
Heuristics 6
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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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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://coretry.ru/uplcv?utm_term=pro+soccer+clubs+near+me PDF link annotation
- https://almentispharma.com/ckfinder/userfiles/files/51725739313.pdfIn PDF document text
- http://raegcafe.com/uploads/files/66616107571.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153d6afc0b55---59431808556.pdfIn PDF document text
- https://milliondollardesiclub.com/upload_files/featured/files/20875239937.pdfIn PDF document text
- https://webmenuplus.com/images/file/19290961101.pdfIn PDF document text
- http://webs.eusko-ikaskuntza.org/files/galeria/files/43913127534.pdfIn PDF document text
- https://tonthephunglan.vn/upload/files/depisavo.pdfIn PDF document text
- http://daiduongmetal.com/uploads/ckfinder/files/siwomebozuzutivijitekilen.pdfIn PDF document text
- http://sanzmendia.com/userfiles/files/92002716726.pdfIn PDF document text
- http://veterina-naslunci.cz/userfiles/file/sodusajusilitukapezega.pdfIn PDF document text
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/3b2s43tmkovpuijpms177lh7c7/lumole.pdfIn PDF document text
- http://salon-urody-bellis.pl/images/file/kimegowixudizinosub.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d6b40b3152---37408604212.pdfIn PDF document text
- http://prestinoequitacion.com/imagenes/upload/files/26919065320.pdfIn PDF document text
- http://modnyi-buket.ru/uploads/files/fabimusizivikupubagolide.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16148fb87ec691---senuwa.pdfIn PDF document text
- https://cian.hr/userfiles/file/lulorasomefikomudujiga.pdfIn PDF document text
- https://charteriraq.ir/basefile/charteriraqir/files/80885287996.pdfIn PDF document text
- http://karmand24.ir/basefile/ehotel724ir/files/28335784780.pdfIn PDF document text
- http://rydelko.pl/userfiles/file/vinipunamurakofux.pdfIn PDF document text
- http://bloomx.com/sites/all/sites/bloomx.com/files/pepipivenoduxakub.pdfIn PDF document text
- http://tarasovfabrika.ru/uploads/file/zelezuxa.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/161591e141e88f---padivugogewasogenubaj.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1613139a537d03---64525709035.pdfIn PDF document text
- https://lnpro.in/ckfinder/userfiles/files/pokavaxexuturalovusun.pdfIn PDF document text
- https://ksboutlet.com/file/files/35951081811.pdfIn PDF document text
- http://gibisch.org/files/files/35949297339.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_off0000b6b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6B4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cec6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEC6 | 16300 bytes |
SHA-256: 252baea7613c9908c82a1d7b376be10d21b9f13b43114ddf09a73560f2f671fc |
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font_02_sfnt_off0000f8e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8E5 | 10444 bytes |
SHA-256: 43f43257eeb983d8d48145de736e66ad98e57e2a30fed73b3e388bbd871582a2 |
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