MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection as a phishing trojan. It contains numerous links, many pointing to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/50b9120c0382b01682ec909afd16c784/dapawijolezosudamis.pdf In PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16094037b82706---wulirimufunova.pdfIn PDF document text
- https://feldmann-spedition.de/pics/userfiles/file/bunidapedituzuni.pdfIn PDF document text
- http://www.prieteniitehnicii.ro/documente/file/vimujupevetuvik.pdfIn PDF document text
- http://vpecargo.com/userfiles/file/44116649119.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/61afu56ukfq3kcarecmca7ku46/narudo.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160dda78281fba---37201035532.pdfIn PDF document text
- https://bauarch.bg/files/bemetitagavewugozepu.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb52c734a6---xupekedulasidapebala.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/simf7kkatgmr87s70ribdpltg1/difeloj.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084a44f9cec4---zegefunotu.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/2418b76f74f8536a0e26b5f69dc0338b/forabuw.pdfIn PDF document text
- http://ubest.ru/images/file/dawedaj.pdfIn PDF document text
- http://www.detskaoptika.cz/ckfinder/userfiles/files/vufikagurudajaw.pdfIn PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160b2455765146---99728404879.pdfIn PDF document text
- http://elturo.ru/img/upload/files/28106517909.pdfIn PDF document text
- http://luxlustry.ru/img/upload/ludigepetapawebimujos.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ab6a00513d2---68413922573.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/nabekelaxegukarima.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16079049cbb8a6---91487998002.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/a47168cd12886b78751039d67c8f8ad6/mekixokuriwifu.pdfIn PDF document text
- http://shosholoza.de/file/18448783439.pdfIn PDF document text
- https://aimhc.com/userfiles/file/rubefofosakuwobinobavaz.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/at3c4id5es4nstercvshk1d282/barusekumuxigesif.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/folakuduwigarinituwa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=compound+inequalities+word+problems+pdfPDF link annotation
- 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_off0000c2b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2B8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000daca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDACA | 17564 bytes |
SHA-256: 7a1c1c90a39c86ecff754219e838a6671225d5e0918b6f47e1e0be806b5e95e7 |
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font_02_sfnt_off00010804.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10804 | 11164 bytes |
SHA-256: 37c2f79acf561c25254fce91a6e10ae7a011feae548bc59a1b8fe28a9a24aa22 |
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