MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the nature of the embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest an attempt to lure users to external sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1606d81cc58b91---zafifupotisesizixa.pdf In PDF document text
- http://otelm4b.ru/admin/ckfinder/userfiles/files/pagagezavawigepemigexot.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f9adfafc407fb9ccb55fa448ce49e267/nigujamajalepalogetalojo.pdfIn PDF document text
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/h1u2bmt0iqov42f21a4pl33kll/sedex.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca65a36fdf---vutawumimeji.pdfIn PDF document text
- http://rivieahk.com/clients/5/51/51325344bd1517f257d6959d5350918e/File/36990180325.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/j4dnscjfi8ug5cgfg409mssll1/pinawalemijokijow.pdfIn PDF document text
- http://beiwendq.com//data/attachment/file/11080471131.pdfIn PDF document text
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/1470848af877460956c82a84b65a6775/demujajuxivadiboxo.pdfIn PDF document text
- https://asthasupermarket.com/userfiles/file/65144222952.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1606c908bc9c08---30680391684.pdfIn PDF document text
- http://unesco-mediain.cz/fckfiles/file/zukula.pdfIn PDF document text
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/cbf5d79689b9b17a1ed64b866a9e852e/fakidi.pdfIn PDF document text
- http://ausafe.net/images/art/files/gowuzibevuzijel.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086842b64589---98952137202.pdfIn PDF document text
- http://yogo110.com/userfiles/file/rigelifipel.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a51794ee2de---divuzuv.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16086573c0c1d7---41257132467.pdfIn PDF document text
- https://drsubhashawale.com/ckfinder/userfiles/files/92041933464.pdfIn PDF document text
- http://tamilannuaire.com/var/www/vhosts/vps296430.ovh.net/tamilannuaire.com/images/file/88927796981.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/3pp78sb36jq4mv3d9csjtt2qo5/32407234478.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b66581351ce---74006863371.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/fnmjoqm2fd9mn6pmjdfh4fl0a4/38725415864.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/46241182116.pdfIn PDF document text
- http://shiksha24.com/userfiles/files/49542389050.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=unmasked+the+final+years+of+michael+jackson+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_off0000dc25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC25 | 16772 bytes |
SHA-256: 22b1e432f9b5a5ebf44e112dcd533ff56e13b97886904f37c5970d794f3cb235 |
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font_01_sfnt_off000107e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011ff7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FF7 | 11228 bytes |
SHA-256: 6964512b3bce42cf50a716bce10beec2743522477e89f47269d1958856f1f7f0 |
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