MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. Multiple heuristics indicate the presence of external URIs and links pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or redirection scheme. No scripts were extracted, but the overall structure and URL patterns are indicative of a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://catamma.ru/uplcv?utm_term=the+matrix+2+online PDF link annotation
- http://www.facyt.com.ar/ckfinder/userfiles/files/63732409857.pdfIn PDF document text
- https://topclassgardening.nl/images/file/lenomevimavuro.pdfIn PDF document text
- http://gpba.ge/admin/ckeditor/ckfinder/userfiles/files/28529477188.pdfIn PDF document text
- http://nissanotogovap.net/uploads/images/files/gitefak.pdfIn PDF document text
- http://weiddy.com/uploads/files/202109170506572143.pdfIn PDF document text
- http://myslizdrave.com/soubory/wanepixabagimiturateweso.pdfIn PDF document text
- http://kustari.net/userfiles/file/gitapojomi.pdfIn PDF document text
- http://le383.com/uploads/files/10795444894.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613a92aaba48b---2757725888.pdfIn PDF document text
- http://thucphamchucnangmy.vn/uploads/files/65158666070.pdfIn PDF document text
- https://silky.ae/images/bulk_images/files/12651400484.pdfIn PDF document text
- http://www.lircai.com/web/inline/file/32900926570.pdfIn PDF document text
- http://allier-genealogie.org/File:/nibovakilixu.pdfIn PDF document text
- http://liqaa-lb.com/files/userfiles/files/vuvikekivaxitezenuveli.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/jedanirofijazur.pdfIn PDF document text
- http://sculecuacumulator.ro/app/webroot/files/userfiles/files/14569957740.pdfIn PDF document text
- http://shengnabei.com/uploadfile/file///2021090502524589.pdfIn PDF document text
- http://nhadatv.com/webroot/img/files/71172116038.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/040c86fe195a5b47466c1f408cc9e40b/zobejawutorelozitorebe.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/3359f523849ac6d6e3324458b2599b3a/fugosabibedivuxesisiveler.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/a03baf7a256b9fb33b44a881d20772cc/tobugujafipupewo.pdfIn PDF document text
- http://hindustanadvancedsolution.com/t/tutorfirm/uploads/ck/files/13016249147.pdfIn PDF document text
- http://effekt-film.de/files/file/97209174066.pdfIn PDF document text
- http://opsir.eu/files/file/21284021666.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_off0000d733.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD733 | 10388 bytes |
SHA-256: f6445550cfd694b07f34d3c20e678ff7ccd2da8e7ca7f5854fc94c853e11842f |
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font_01_sfnt_off0000ee8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE8D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001069f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1069F | 16368 bytes |
SHA-256: 724e6fd48956fc368a5be00e0e424e0db58392137590813cadf4677625b866b4 |
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