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 phishing or trojan threat. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content. The presence of external URIs and link farm heuristics strongly indicates an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://pixomot.ru/uplcv?utm_term=play+the+song+stairway+to+heaven PDF link annotation
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613813a20e039---zaxozuzovakut.pdfIn PDF document text
- https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/29097656899.pdfIn PDF document text
- http://martom24.pl/martom/userfiles/file/zogulavipotoruj.pdfIn PDF document text
- http://brno-skoleniridicu.cz/ckfinder/userfiles/files/kojenogoza.pdfIn PDF document text
- http://cke.hk/userfiles/rozoferojimofovo.pdfIn PDF document text
- http://rwdwebwebdesign.com/img-aim/files/kodefugofupifobafetapes.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/161661fb79ade6---lugadulavilexanelop.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/16184576363a91---17365893426.pdfIn PDF document text
- http://bkmarine.net/ckfinder/userfiles/files/1634498837.pdfIn PDF document text
- https://tinhhoaxanh.vn/userfiles/file/sujonivadujuxipuretasonu.pdfIn PDF document text
- http://tdbm.vn/upload/files/52533812199.pdfIn PDF document text
- http://inlovehuahin.com/file_media/file_image/file/wesuvojonudukiwom.pdfIn PDF document text
- http://dreamsurgerycn.com/ckupload/files/77138279533.pdfIn PDF document text
- http://bkht.vn/userfiles/file/pewumosusetimutewa.pdfIn PDF document text
- http://diadiemvui.com/upload/files/tuwanazi.pdfIn PDF document text
- https://medosojewellery.com/userfiles/files/xipobo.pdfIn PDF document text
- http://mpu-beratung-brendle.de/userfiles/file/fenazodumitigiwavemibim.pdfIn PDF document text
- http://chromoink.com/updates/file/19401481946.pdfIn PDF document text
- https://solidpractise.com/files/userfiles/file/49512964.pdfIn PDF document text
- https://lifecareproduct.in/ckfinder/userfiles/files/jawozikulapidiwavodudiko.pdfIn PDF document text
- http://paddockj.com/user_data/editor/ckfinder/core/connector/php/upload/files/15046439706.pdfIn PDF document text
- https://aluminiosarla.com/userfiles_arla/files/bemogomifoka.pdfIn PDF document text
- http://gld-lining.com/user_img/files/29494644604.pdfIn PDF document text
- https://europartner2.pl/uploads/bejad.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_off0000c424.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC424 | 16752 bytes |
SHA-256: d55c2117187e884374664f8c3956499eeecc8a479e0d4e8b51aff151ec0e5f48 |
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font_01_sfnt_off0000efb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB7 | 16540 bytes |
SHA-256: 45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef |
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font_02_sfnt_off000106dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106DD | 10652 bytes |
SHA-256: 87d4824a9627e8e9327cc550eba830c0359ed7331bf6470f72d29eda359a6cb4 |
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