MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The primary attack pattern involves luring users through these links, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://drafthe.ru/uplcv?utm_term=how+to+set+contact+photo+in+full+screen+on+android PDF link annotation
- http://sithome.com/upfiles/file/20210905093049.pdfIn PDF document text
- https://trimix.bg/UserFiles/File/pasebebalekafafaxatonediw.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/nenigodifoloxobemagap.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/p0vrki5bjflbug5nq5chm70a3j/fogap.pdfIn PDF document text
- https://zohopinler.com/calisma2/files/uploads/xerutisazowa.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/siwijinejakakubesosumokus.pdfIn PDF document text
- https://termoformat.md/img/files/pavololapawop.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f52ff41490---59197344587.pdfIn PDF document text
- http://bebelino.ru/userfiles/file/87878185764.pdfIn PDF document text
- http://dxqzx.com/ckfinder/userfiles/files/20210906_135246.pdfIn PDF document text
- http://stark-tools.ru/images/uploaded/24883825658.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16138edc1df570---tikigem.pdfIn PDF document text
- http://dreesmann-foto.de/userfiles/file/37373832968.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/161359b0a945f9---85074475129.pdfIn PDF document text
- https://bibonatura.hu/ckfinder/userfiles/files/11174698741.pdfIn PDF document text
- https://concurs-euclid.ro/upload/fck/57139494887.pdfIn PDF document text
- https://deepex.hu/hirek/files/41399291748.pdfIn PDF document text
- http://ukonlinedirect.com/userfiles/files/daxikuxom.pdfIn PDF document text
- http://gonzagafood.com/userfiles/files/38432583259.pdfIn PDF document text
- http://llux.vn/uploads/files/72168494429.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/4adf7c8b464bc3cb753b000b005aefed/jeridoruz.pdfIn PDF document text
- http://magnumprint.ru/upload/files/8048427407.pdfIn PDF document text
- http://interel-rus.ru/test/sites/default/files/file/fesunetumimeviguxukelam.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/53mv7682pcd6051malfimm43ej/muwamapoxagefivax.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_off0000cffe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFFE | 17412 bytes |
SHA-256: 20b5c6b3e0d4022e1528a69b9aa6e161d8267d2a45dfd0e6c547e92442dff790 |
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font_01_sfnt_off0000fcdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCDD | 10892 bytes |
SHA-256: d7986971588a18f8a00e9cb46a1e9cc43693689bfdb2350d289bc4090e8df3de |
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font_02_sfnt_off00011604.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11604 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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