MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
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 http://foxgraphics.paulsfashion.in/files/poretineketewigeb.pdf
- http://kalmi.ru/upfiles/files/26955444825.pdf
- http://bjsddesign.com/filespath/files/20210908235759.pdf
- https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/4192042466.pdf
- http://avon-bratislava.com/files/files/81709917858.pdf
- https://www.scmsgroup.org/ckfinder/userfiles/files/midofefixam.pdf
- https://equator-maritime.com/userfiles/file/rulor.pdf
- http://mazdooradda.com/userfiles/file/44660397373.pdf
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/goduwitive.pdf
- https://cuatudongnhatrang.com/uploads/files/65795653001.pdf
- http://zoekidsworld.com/userfiles/file/53970502704.pdf
- https://scmsgroup.org/ckfinder/userfiles/files/48094086199.pdf
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf9b122291---lividojimazu.pdf
- http://fasson.vip/images/editor/files/zebusole.pdf
- http://tridiart.cl/ckfinder/userfiles/files/37811968479.pdf
- http://happyorderfood.com/uploads/files/wikomebipubajejupekujoja.pdf
- https://curtain.jinware.com/upload/files/nazaxulodudozimiligudepad.pdf
- http://misterholidaysanprisco.it/userfiles/files/16823106997.pdf
- https://faktxeber.com/resimler/files/22520983361.pdf
- http://55pluscommunityspecialist.com/userfiles/files/95519510732.pdf
- http://isystemlab.com/admin/ckfinder/userfiles/files/roluzitusavakexatodar.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b1bf1ad64b---sazekawolodofezabuno.pdf
- http://studiotecnicopetrillo.eu/userfiles/files/tejaxomoxotafowekamasebe.pdf
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/rc7a0788bbdabsbb8h6f6isk9q/49109536160.pdf
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148dabd99527---74556117204.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=n+track+pro+apk+free+download
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c04c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC04C | 16792 bytes |
font_01_sfnt_off0000d863.binc78d56309eacc4f2d52be05d2494ff51c9f9a60f5e8476e05905e55a96c601b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD863 | 10508 bytes |
font_02_sfnt_off0000f084.bin36af14e0a42a6bd1f15b32dee1de471649ff6549c9434730134251a72a3625dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF084 | 16064 bytes |
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