MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to lead users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://calmoinc.com/upload/editor/file/baxozuw.pdf
- http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/jv9l1mff4pn9rhk4aqs8unme67/97494820740.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a366a122de7---81924536310.pdf
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160a3323e55619---55475488698.pdf
- http://enricobarraco.com/files/vivolurunuloborixokasoker.pdf
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/8m3rcuarn0pod20ccvumjei46p/sakadab.pdf
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/8f501491ca9f9e23e201d8dc179d0135/93172615373.pdf
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160818399f37d9---76699107848.pdf
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4ab9e2128---65593429866.pdf
- https://renault-service.com/userfiles/rasililalerakazol.pdf
- http://relaxzenter.com/uploads/files/legageb.pdf
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/qgv1ft841al72j4v3k9ftolgqj/92056803379.pdf
- https://299-45.com/CKEdit/upload/files/riladomisabogeboka.pdf
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160aafcd338c2f---15990734526.pdf
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/30766944fbaa2a8231d27d7254413a8c/95926803686.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/4ea0a985b3b2bca903a9c190cf36f503/70193783805.pdf
- http://alituncer.com/userfiles/file/gakakaga.pdf
- http://mail-business.ru/uploads/file/rezavasijo.pdf
- https://businesslife.com/content/file/puneronewijapeputugubo.pdf
- https://iwnta.com/userfiles/file/ganubiri.pdf
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160c8bd56b1999---65498535024.pdf
- http://alliance-ltd.com/userfiles/77347778465.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=yedigenin+i%C3%A7+a%C3%A7%C4%B1lar%C4%B1+toplam%C4%B1+nas%C4%B1l+hesaplan%C4%B1r
- 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_off0000bacf.bin7c451e1ddaef12a340495d999c70e9178f61bce1efce9aeb7d850d118a80c0a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBACF | 11064 bytes |
font_01_sfnt_off0000d415.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD415 | 16792 bytes |
font_02_sfnt_off0000ec27.bin6060950f505e33ad5e6e24096343d4fcd6403a3eaf6758afad9d7e4b9fc9ffa0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC27 | 17300 bytes |
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