MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a large number of links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure indicate an attempt to facilitate phishing or malware delivery.
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://nomylo.ru/uplcv?utm_term=adb+connect+usb PDF link annotation
- http://hebakotb.net/userfiles/file/3100089200.pdfIn PDF document text
- http://patriabrno.cz/userfiles/files/98611538952.pdfIn PDF document text
- https://agermag.ro/mm/file/sitepodudasoko.pdfIn PDF document text
- https://szaniterplaza.hu/ckfinder/userfiles/files/76082875377.pdfIn PDF document text
- http://boxerdapolenta.com/cmsimple/images/file/520608508.pdfIn PDF document text
- http://kbcsisa.com/upload/fckeditor/file/kelekapojat.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/311ef1495aee7fcdfda8d14c83cbb737/39308307909.pdfIn PDF document text
- https://faresaldabbous.com/uploads/files/17861242505.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614253af1b18f---fivotor.pdfIn PDF document text
- http://geometrarontani.it/userfiles/files/91716899638.pdfIn PDF document text
- http://newbusan.net/FileData/ckfinder/files/20210917_299A1A2A285F502B.pdfIn PDF document text
- http://littlepearlbooks.in/data/eimages/file/bezixoxofe.pdfIn PDF document text
- https://aodaixuan.vn/app/webroot/upload/image/files/kewanozezew.pdfIn PDF document text
- https://kanat.com/upload/ckfinder/files/19053315140.pdfIn PDF document text
- http://tythb.com/uploadfile/files/60532204312.pdfIn PDF document text
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/zelawiti.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/051d67205e5bbb9480b36c73030c496a/pusixopu.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8424dd8a1---nulebisarunorosukaran.pdfIn PDF document text
- http://zekejozsef.eu/FCKfeltoltott/file/86286283788.pdfIn PDF document text
- https://epponline.com/mentorfinancial/page_images/file/fegiwozutumevesi.pdfIn PDF document text
- http://mediacast.vn/ckeditor/upload/files/83091552777.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613d90755063e---40360383046.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_off0000ccda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCDA | 17516 bytes |
SHA-256: 4b0fa9b252e2f0ca41109517312d1b0f29c76d6c3aed1d265346e92d30cf4c0a |
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font_01_sfnt_off0000fade.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFADE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000112f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112F5 | 10184 bytes |
SHA-256: 7fb5acce307be1d18f7cd2b62570e76117f341784722b10be95db7eee11d605a |
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