MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to compromised WordPress upload directories, suggesting a phishing or redirection scheme. The PDF structure and embedded links are designed to lure users to these external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ada7e7be4ec---ladisarugutig.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/jrun8d6fb756p50vv3ogt9fde2/52546823030.pdf
- http://vitalenzyme.com/uploads/fckupload/file/ginavudukimimisujezozilon.pdf
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/ol1tbjv5svck6vs2vpd5uqhin3/81960715088.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160799269aa0c5---41623698447.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/b80709efe016a886f7088b9ad05e873f/nurofemuliwugexuwozisun.pdf
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/772f0b47546d26b87b9ba17ca22d9c79/9200279033.pdf
- http://xinyaoqiye.com/upload_fck/file/2021-6-15/20210615144624639152.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c21921549cf---woxeromuturelufugo.pdf
- http://coimbra.hu/uploads/ckfinder/userfiles/files/wisabixilaxetot.pdf
- https://successstudio.net/userfiles/file/73315531731.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/16112411273379---8177637266.pdf
- https://trotusgrup.ro/ckfinder/userfiles/files/vunok.pdf
- http://sp3siemianowice.pl/userFiles/files/72891119421.pdf
- http://www.gpe-el.pro/ckfinder/userfiles/files/futokumabokubope.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16071c334e0564---18053491285.pdf
- http://adice-area.com/pictures/files/15272374345.pdf
- https://sunpower.lv/ckfinder/userfiles/files/98454230981.pdf
- https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/qa0omiaci7vbcp9bs391vh7c69/60708129204.pdf
- http://ugrctrani.it/userfiles/files/rijasexuxidajid.pdf
- https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609a3c79883e6---fuxokawumudizu.pdf
- http://muzeumostrowiec.pl/obrazy/file/liziwusip.pdf
- https://tedvandergulik.nl/userimages/file/22562704565.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=leucemia+linfocitica+cronica+tratamento+pdf
- 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_off0000bb02.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB02 | 16792 bytes |
font_01_sfnt_off0000d319.bin6d009025019c682890508af1f49bdc28476d2e5d368c027f886fec125c44691e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD319 | 10668 bytes |
font_02_sfnt_off0000eb76.binfa2e78ca18e67c1a0c1727c0a2e01d6c1de98ad275772b602b4935b2585cf930 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB76 | 16096 bytes |
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