MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document 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 CMS uploads or disposable hosting, suggesting a link farm designed to lure users to download potentially harmful files. The presence of these link farms and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://etpatatietpatata.com/userfiles/files/18002861382.pdf In PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16138381b5671e---nevixaxamefebamevusovuf.pdfIn PDF document text
- http://3suntech.com/UploadFile/file/20210902124448649.pdfIn PDF document text
- http://tianlanip.com/filespath/files/20210909040331.pdfIn PDF document text
- https://hensuyenpqa.traigiongthuha.com/ckfinder/userfiles/files/wogugixidokupoderimuraxa.pdfIn PDF document text
- http://vwtint.com/userData/board/file/62665773516.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/92078f4ee1f52d0ac9fa6c1b2023c9bb/51031309840.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/c6dd8b81375fa21b0fcaff1769281605/baporeg.pdfIn PDF document text
- http://kolbiko.com/images/uploads/file/ronodizomewuware.pdfIn PDF document text
- https://divinenine.net/userfiles/file/pavufibotuxexesiv.pdfIn PDF document text
- http://kinel-hunter.ru/upfiles/file/jufaziva.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16130afabb2758---rezawubevaw.pdfIn PDF document text
- https://tigapilar.com/upload/files/99697299135.pdfIn PDF document text
- http://33podarka.ru/pictures/files/53133137634.pdfIn PDF document text
- http://theexplorerthai.com/userfiles/files/pigedurufelidilarozu.pdfIn PDF document text
- http://kccmaul.com/files/files/xabevuv.pdfIn PDF document text
- http://fiumevivo.it/userfiles/files/fosufifug.pdfIn PDF document text
- http://border-collie.ru/sites/default/files/file/valelibasuzemupadako.pdfIn PDF document text
- http://bertoniamministrazione.it/bertoni/public/file/59220182139.pdfIn PDF document text
- http://tiszaikaland.hu/upload/file/jisowirerunebaro.pdfIn PDF document text
- http://arredamenticucinesiciliane.it/userfiles/files/73005202503.pdfIn PDF document text
- http://sibstroiexp.ru/userfiles/file/62166695765.pdfIn PDF document text
- https://altsovmun.ru/userfiles/file/76747375807.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/f376kqtrq9d1dbtu2vd75k2jh6/36662464012.pdfIn PDF document text
- http://musik-fachberatung-neumarkt.de/images/uploadedimages/file/mabikuvixisaguf.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=tube3+download+apkPDF 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_off0000d456.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD456 | 17868 bytes |
SHA-256: 22340091323eb329488fa8668e40d4e29917a80465314ab655106a239d51fa8d |
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font_01_sfnt_off00010258.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10258 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A6F | 10480 bytes |
SHA-256: d4f9c892146364b73e5853efd358127898891caadced24f65bcd4fcc725a4e00 |
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