MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links, many pointing to domains identified as disposable hosting or compromised CMS uploads, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farm characteristics indicates an attempt to lure users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://bjhtdszdh.com/v15/Upload/file/2021612152449544.pdf In PDF document text
- http://ducthanhtam.com/uploads/userfiles/file/9384626174.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b222b12360c---zimuremafanalipebewozetal.pdfIn PDF document text
- http://thaisomboonautopart.com/userfiles/files/90695563204.pdfIn PDF document text
- http://robbinsfamilyhealthcare.com/clients/2/2c/2c787fa606fc56c3a3a24dfc5409695f/File/wevarejen.pdfIn PDF document text
- https://weeb.nu/userfiles/file/19003203942.pdfIn PDF document text
- http://bakoca.hu/files/file/41216037863.pdfIn PDF document text
- https://mn-lawfirm.com/box/userfiles/file/kalevowu.pdfIn PDF document text
- https://pypconsultores.mx/userfiles/file/tolizomozirizaratod.pdfIn PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160839525f0b78---runiwetozazemodol.pdfIn PDF document text
- https://mediaget.ru/userfiles/files/67636225544.pdfIn PDF document text
- http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/81542464403.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/622b996c1a933ca9d6e38d9e4606bbe2/xuxarikuvafagosojobazu.pdfIn PDF document text
- http://csc0532.com/userfiles/file/20210708011616_kv8wle.pdfIn PDF document text
- https://raptiherbal.com/ckfinder/userfiles/files/kiripo.pdfIn PDF document text
- https://firsatpin.com/calisma2/files/uploads/1939934700.pdfIn PDF document text
- https://pasarant0g3l-turbo-h1t.com/contents//files/45035397802.pdfIn PDF document text
- http://djarkitek.com/temp/vinney/HTML/userfiles/file/37686971639.pdfIn PDF document text
- http://ajtoablakcentrum.com/_user/file/51015685954.pdfIn PDF document text
- http://hibertek.com/image/files/20210716_210254.pdfIn PDF document text
- http://otelm4b.ru/admin/ckfinder/userfiles/files/33140903830.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611051e553e51---lanuvufoli.pdfIn PDF document text
- https://ezgoe.com/10005001208290177/ckfinder/userfiles/files/42535652234.pdfIn PDF document text
- https://thinkglobalcompliance.com/ckfinder/userfiles/files/nefuwevaponidukapejiz.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16088bf669d0a8---temewininonijojezuvilot.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16090f4c454800---35590235028.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=l%27existentialisme+est+humanisme+pdfPDF 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_off0000f064.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF064 | 20668 bytes |
SHA-256: 531df9ebd796ef716c5faed0a0c2d27d8a97bf8c4208b89d7d66178d91b7628e |
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font_01_sfnt_off0001245d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1245D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013c74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C74 | 10736 bytes |
SHA-256: 58e899f058192e70a2b498d72d8ac35f1d9d779134c2c52f63d8850f28cf03d3 |
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