MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://infrive.ru/uplcv?utm_term=how+to+remove+root+from+android PDF link annotation
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143f6095141f---48067888615.pdfIn PDF document text
- http://nguyenxuanhuong.com/upload/files/dilovexa.pdfIn PDF document text
- http://pmke.cz/pictures/files/dogonekisunukuv.pdfIn PDF document text
- https://thefertilizerproductionline.com/d/files/45932747934.pdfIn PDF document text
- http://hiroshima-teishaku.com/userfiles/file/pafodetepatuxunabukula.pdfIn PDF document text
- https://vicotelecom.vn/static/source/images/file/42433851814.pdfIn PDF document text
- http://dighakanchaninternational.com/FCKeditor/file/temekoboj.pdfIn PDF document text
- https://rhuyscampingcar.fr/images/files/wiputevomowatudeb.pdfIn PDF document text
- http://keifo.ru/ckfinder/userfiles/files/96136237083.pdfIn PDF document text
- http://aokisuper.com/ckfinder/userfiles/files/vafigaxazalolakinezojidi.pdfIn PDF document text
- http://weiken-rc.com/upload/files/ronijadapitakatidego.pdfIn PDF document text
- https://www.bevillelecomte.com/ckfinder/userfiles/files/2159066708.pdfIn PDF document text
- http://kemenyseprosiklos.hu/upload/file/45256177341.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16145e5f2ceb26---luzaj.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140f5e8c2791---9491583919.pdfIn PDF document text
- http://www.weilandensemble.nl/ckfinder/userfiles/files/lasiserifo.pdfIn PDF document text
- https://www.gurgy.net/ckfinder/userfiles/files/kakonixegig.pdfIn PDF document text
- https://www.bevillelecomte.ovh/ckfinder/userfiles/files/69231845494.pdfIn PDF document text
- http://navrattan.co/userfiles/file/70022099701.pdfIn PDF document text
- http://anaminfo.com/attachfile/file/pimeputepabakuviwata.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_off0000d308.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD308 | 10444 bytes |
SHA-256: 55e678f8a65406ec398806845830ff2de52ddb0022c45f1207d6c48c2ce16b53 |
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font_01_sfnt_off0000eab9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAB9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000102cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102CB | 18540 bytes |
SHA-256: a9b3cdfb1c5cd0ce5500a03cf4661c92898ee66177b0b0c98279a512b0712318 |
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