MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution lure. The embedded URLs, while some are marked benign, contribute to the overall pattern of directing users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613396d610559---7653810443.pdf In PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/9045hrvnaf2n1nqi8pgr4chsvf/33309168773.pdfIn PDF document text
- http://safetyassessmentsolutions.co.uk/ckfinder/userfiles/files/buxokekolitig.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/jizewuzajovixekilok.pdfIn PDF document text
- http://kgmda.com/upload/files/54615314599.pdfIn PDF document text
- http://zonazero.es/userfiles/file/54976469734.pdfIn PDF document text
- http://krupongs.com/images/file/33943286262.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/kufotew.pdfIn PDF document text
- https://uppersanduskyrotary.com/cms/files/File/ketozajififiw.pdfIn PDF document text
- https://xaydungdonggia.com/app/webroot/files/images/pages/files/kovepowoz.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141222654045---85238279062.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140950066630---zewurolog.pdfIn PDF document text
- http://gojjang.com/uploads/files/fusejujazitavizivagejox.pdfIn PDF document text
- https://anyimaker.com/upload/users/files/34799768575.pdfIn PDF document text
- https://tpijobportal.com/ckeditor/ckfinder/userfiles/files/zunemefaborofekusi.pdfIn PDF document text
- http://dtyxbpzx.com/filespath/files/20210903134442.pdfIn PDF document text
- http://www.ssc-ras.ru/ckfinder/userfiles/files/vosiwoweze.pdfIn PDF document text
- https://grafconsulting.pl/Upload/file/dedujunuximimowap.pdfIn PDF document text
- http://retroldn.com/userfiles/file/44795727352.pdfIn PDF document text
- http://machinesupplier.cn/data/product/file/202198_31011_857.pdfIn PDF document text
- https://knurussian.kr/DATA/upload/files/202109072336382746.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/14c7dce1845b3f58699c3fa9a84a6d72/namuwowokugiduvajavudi.pdfIn PDF document text
- https://ww150002.linebot.net/upfile/files/20210917134936.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=friends+with+money+full+movie+online+freePDF 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_off0000f9a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9A9 | 10800 bytes |
SHA-256: a6051c263ae4bb28391feab278d198e38a4e86fb96152521b08e75f54d277651 |
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font_01_sfnt_off00011260.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11260 | 18484 bytes |
SHA-256: 193a02b264c9ba803821f03226497a890ea9b60ca3fc4b35bebca884e34677a3 |
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font_02_sfnt_off00014239.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14239 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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