MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to lure users to potentially malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics confirm this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://sma-dfgg.org/site/admin/file/15147744908.pdf
- http://ekotop.eu/userfiles/file/17801206676.pdf
- https://prettygreekvillas.com/admin/fckeditor/editor/filemanager/connectofile/levexalanigiwila.pdf
- https://mahae.hu/files/files/sirawokomidej.pdf
- https://mimpiindah2.com/contents/files/73816798995.pdf
- https://uudanbury.life/files/file/tulaxowusofilebasililod.pdf
- http://dichvumucin.com/upload/ckupload/files/41161838448.pdf
- https://madeirashopping.com/userfiles/file/vamiwez.pdf
- http://zespolbahamas.pl/zdjecia/file/fagenawumifuzufevixux.pdf
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/bm2ss1jubu3u49f2idemcvuvm3/58860884174.pdf
- http://oticonshop.com/ckfinder/userfiles/files/85886483474.pdf
- http://noithatlekhanh.com/Images_upload/files/96206383905.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd6c1aba81---bijivenuzinuji.pdf
- http://desushibar.com/userfiles/file/kufoligijamibuz.pdf
- http://nokianhakkablue.ru/ckfinder/userfiles/files/gomopenad.pdf
- https://turismopontevedra.com/ckfinder/userfiles/files/39332160019.pdf
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/31e38888d7ca9078efcaf8907b4a5ede/23103618199.pdf
- http://cpghollywood.com/userfiles/files/rusibiferajimasibixasiv.pdf
- https://maintogelonline2.org/contents/files/19304230835.pdf
- http://agriturismocorteerbatici.it/userfiles/files/12317754266.pdf
- http://dgxzz.com/uploadfile/file/54397431925.pdf
- http://xinshifm.com/userfiles/file/jozamifufawaj.pdf
- http://abaj.cz/UserFiles/File/83433287784.pdf
- https://digireg.sk/upload/69440674039.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=transfer+contacts+to+new+phone
- http://s292376414.onlinehome.fr/datas/imgmail/file/84615845888.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc5f.binda031009d5911d25c661a3571406d230b29d5fdee11cfb985785fcac5f9b528f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC5F | 18200 bytes |
font_01_sfnt_off00010b2b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B2B | 16792 bytes |
font_02_sfnt_off00012342.bin273aecdc9728226b011ac49353c85f1aad535b3aff56d1e5c2caf2dfb5767343 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12342 | 10488 bytes |
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