MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised websites, suggesting it functions as a lure to redirect users to potentially malicious content or phishing pages. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating a pattern of using disposable hosting for link farms.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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=file+explorer+android+tv PDF link annotation
- http://klm-co.ru/foto/ck/files/8290999821.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/80284203109.pdfIn PDF document text
- http://kozszemle.hu/uploads/files/89291527565.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/0i75qi1uc9nb67v4j7503a0fdd/94016370513.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138caa28163e---ninon.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/1ee50eb2effe315688b7f67971814926/43304772105.pdfIn PDF document text
- https://groupekheidri.com/ckfinder/userfiles/files/dirofi.pdfIn PDF document text
- https://impulsa.mantareys.net/uploads/plantillas/files/lineru.pdfIn PDF document text
- http://naturallabs.de/userfiles/file/46009112008.pdfIn PDF document text
- http://szyldkj.com/luodan/images/userfiles/file/risex.pdfIn PDF document text
- https://tranduongauto.com/app/webroot/files/images/pages/files/57195488597.pdfIn PDF document text
- http://ceresasrl.it/userfiles/files/43595303127.pdfIn PDF document text
- http://bharatdarshan.net/rgroup/ckfinder/userfiles/files/sixudirofobisetibupuk.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/7bf76369778d5f8d6abc00bebda5b181/jagoselejexisu.pdfIn PDF document text
- http://clickvay.com/upload/files/59003183424.pdfIn PDF document text
- https://khabul.mn/mmpa/userfiles/files/47299226969.pdfIn PDF document text
- https://rezilta.com/psum/admin/userfiles/file/mirazorer.pdfIn PDF document text
- http://louisamerino.com/userfiles/file/sususilatosexibu.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/7997bdd914c550843f9f93cd3dd5dd9a/sonodolediveropor.pdfIn PDF document text
- https://felicitareonline.ro/ckfinder/userfiles/files/giwefizon.pdfIn PDF document text
- http://petgears.com/app/webroot/files/file/letuzunojomafixekotu.pdfIn PDF document text
- https://kaptenhoki.com/contents/files/70496389255.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_off0000e664.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE664 | 10360 bytes |
SHA-256: 022b9526ea3f7c0eb7cd74cf5d902800c85484ce6d2864c92fa8fa6b5da1f563 |
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font_01_sfnt_off0000fde1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDE1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000115f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115F3 | 17960 bytes |
SHA-256: df63e84db6c1895bc48cf279a8378797d9006e065c7c7b814c48909bfb4a437e |
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