MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by a ML classifier and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to multiple compromised WordPress upload directories, suggesting an attempt to distribute further malicious content or phish users. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://sip7.online/wp-content/plugins/super-forms/uploads/php/files/6b6d788c73a2c001f2273c5a10dbe0d1/muwimifox.pdf In PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/d72d5de9fc8be80307266bfc15e53aeb/selojexegumajasado.pdfIn PDF document text
- http://biancoacolori.it/userfiles/files/7179744780.pdfIn PDF document text
- http://unionzglobal.com/ckupload/files/xazolu.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/c636a2556def8344ee7b39c5c7551bb2/vifaroxotuji.pdfIn PDF document text
- https://mimpishio1.com/contents//files/dufesukidena.pdfIn PDF document text
- http://sahrugs.com/userfiles/file/20464905613.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/fa1919085a2acdc9a9e3eada489cb2b0/18994020440.pdfIn PDF document text
- http://dralituncer.net/userfiles/file/dezejigedazizuwobilol.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608a8e1b6979f---dogulobakag.pdfIn PDF document text
- https://lenaoyunlar.com/calisma2/files/uploads/fufosolimefososuwudobar.pdfIn PDF document text
- http://chocoenglish.com/_UploadFile/Images/file/46131989843.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/3h5pq4a40rngrfa3uo742vpbos/27584448535.pdfIn PDF document text
- http://norilskgu.ru/userfiles/file/9939623292.pdfIn PDF document text
- http://vtdsbinhthuan.vn/public/uploads/userfiles/file/xigopip.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/kumatoripawidekije.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/59636b100bc1d33b70935d538dcee32c/65124296711.pdfIn PDF document text
- http://ccsup.co.th/uploads/ckfinder/files/42348757991.pdfIn PDF document text
- http://architettobotteonpierpaolostudioabacus.it/userfiles/files/worojemejaxix.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f8acd4d6b---82269184220.pdfIn PDF document text
- http://huh.hu/UserFiles/File/96599874181.pdfIn PDF document text
- https://myvideoclasses.com/ci/userfiles/files/zekakikeniko.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/6496430055.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/bnb9q2d8ok6b4vcmjpgt227tuu/xaresoduwubinuz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=greek+god+of+the+winds+nyt+crosswordPDF 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_off0000e593.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE593 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fda5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDA5 | 17936 bytes |
SHA-256: 9fb2c3cc84cdc30ffa4d214d28c88e47acd742944164b4670f10985c305fae53 |
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font_02_sfnt_off00012b5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B5C | 10880 bytes |
SHA-256: 0a251207df6c2983b680497bdce7a493cdbe760ce98a08ad6b33af101fd9fe69 |
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