MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised websites hosted on disposable domains or WordPress upload directories. The embedded URLs suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://meskerjager.nl/media/files/70814055825.pdf
- https://webornate.com/viking1/uploads/files/55994607792.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8885c363a4---rikodutonalosonoxu.pdf
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f224b9e34ba---94168330592.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160a15f7ce9b79---nufoputupebazevafenubi.pdf
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160adc4ba9a300---84329005492.pdf
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/5e3edb7bed53f86d6f1edd4b09cadc8d/revixotol.pdf
- https://empresa-venta.hr/files/50735581259.pdf
- https://floresdeserrezuela.com/aym_image/files/33555632377.pdf
- http://thienanglass.vn/upload/files/mefafunigimazedulawo.pdf
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16103d80f8d37d---86273418899.pdf
- http://metabolit-plus.ru/files/file/84870323040.pdf
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/8045a944a632a25940e6ad6f345290d0/zerimesuvefuwinolo.pdf
- https://smg.bid/ckfinder_userfiles/files/buxivifilurubabitazo.pdf
- http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/govazasazunede.pdf
- http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c7faa16497---vulofug.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5d1292942---zuwasuzowirosagipeve.pdf
- http://ingmontagna.com/userfiles/files/gusibowotulakewodifex.pdf
- http://vnndt.com/Images_upload/files/69412760304.pdf
- http://bahtiyardishekimi.com/fckfiles/file/38749968248.pdf
- http://ahdongjiu.com/upload_fck/file/2021-5-6/20210506232611963286.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbbc512390---kuxezapirurip.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=personal+statement+for+college+examples+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_off0000c1ff.binf9adde760a88f994eff8ecbb9e4522ea572abfeb45ec4dd5cf944bdff36fba57 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1FF | 10976 bytes |
font_01_sfnt_off0000db59.bin9ed7ef688fdc32fcdcae4fd30af88b708a61346127093496f6d918a933c0dfb1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB59 | 16992 bytes |
font_02_sfnt_off00010774.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10774 | 16792 bytes |
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