MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm directing to multiple unknown URLs, with one specifically hosted on a compromised WordPress upload directory. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://kuryakyn.ru/userfiles/file/86802020666.pdf In PDF document text
- http://auswallendorf.de/userfiles/file/zuguf.pdfIn PDF document text
- https://prolocolidodisavio.org/ckfinder/userfiles/files/22431766730.pdfIn PDF document text
- https://bda.ch/ckfinder/userfiles/files/kapuvovogupitorisuza.pdfIn PDF document text
- http://pretaporter-pegah.com/userfiles/file/tilikorupazapuwox.pdfIn PDF document text
- http://thaymanhinhlaptop.com/userfiles/file/47325395662.pdfIn PDF document text
- https://alstar.uz/images/shared/file/83579840429.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/nddnkdia7b1rhpi7rg8daioltu/19010981953.pdfIn PDF document text
- http://hotelalbicia.com/userfiles/file/89332344595.pdfIn PDF document text
- https://deycaterers.com/ckfinder/userfiles/files/nakepake.pdfIn PDF document text
- http://cgmorenanews.com.br/ckfinder/userfiles/files/76224922716.pdfIn PDF document text
- http://5lovestartw.com/CKEdit/upload/files/fotebinamek.pdfIn PDF document text
- http://orderleesushi.com/uploads/files/60016110852.pdfIn PDF document text
- http://custom-mugs-factory.com/uploadfile/files/22943870964.pdfIn PDF document text
- http://fkm-lux.by/var/upload/file/76987012221.pdfIn PDF document text
- https://hotelharmika.com/assets/userfiles/files/27890129574.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/d1bripqi0nfh5sm4dp2jjnkar6/85304232142.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/161390fb530061---labeb.pdfIn PDF document text
- http://giasuminhtam.com/Images_upload/files/46102810566.pdfIn PDF document text
- http://osteriadelcampanile.com/userfiles/files/5004585255.pdfIn PDF document text
- http://chanakol.com/ckfinder/userfiles/files/guxolesewosedef.pdfIn PDF document text
- https://georeno.ca/userfiles/files/pokufofa.pdfIn PDF document text
- http://imobilestore.de/userfiles/file/33881862825.pdfIn PDF document text
- https://uclerbaklava.com/resources/file/kixapat.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=redmi+go+android+10PDF 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_off0000ca77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA77 | 17920 bytes |
SHA-256: ff529c639e6a8c7f02b324a75a3b0561ac7e6feeeb5c2a6fb15a5e7236c03fcd |
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font_01_sfnt_off0000f906.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF906 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001111d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1111D | 10500 bytes |
SHA-256: 02c1dce28ade35c736bf43a762cfc9d1639254fe57dbf1eef43002be2f256b57 |
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