MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm that redirects to compromised WordPress upload directories, suggesting a phishing or malware distribution scheme. The presence of multiple distinct hosts and the use of 'utm_term' parameters indicate an attempt to obscure the final destination and potentially leverage SEO for broader reach.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7827e9bc95---97052303277.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b97d2f14c---rofutojoluwupiwad.pdf
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb2e5260f63---javutomarepuva.pdf
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/38238e6e8424ad3921d89078b0479a86/70059092525.pdf
- http://pettwayfamilyreunion.com/clients/39389/File/96472820852.pdf
- http://bkbflooringusa.com/userfile/abbey/file/22613242778.pdf
- https://zoomkish.com/basefile/zoomkishcom/files/59063451877.pdf
- http://aldo-ins.com/userfiles/file/zozukibodag.pdf
- https://soechi.com/userfiles/file/degazamumiwen.pdf
- https://irantruck.ir/data/file/82484768715.pdf
- https://a2designbg.com/userfiles/file/pisezulixomeveto.pdf
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f1ff0a2d23---77111388476.pdf
- http://mousike.it/img_ins/files/vaweno.pdf
- http://sun-eko.eu/files/file/nometulalato.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d38490ee69---66366652792.pdf
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/e8c31b2cd00655b0f97bec08fbbc11de/75167724576.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/da49l433b61kko8tan29rgvb84/ronemabodusovitenepi.pdf
- http://jhferry.com/data/fckeditor/file///vadorixiginexoxawopew.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160b6ac070d3d8---24989758778.pdf
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/eef5691a3512404616bddd67a8a07ddb/vivavazavelig.pdf
- https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607924ac9536e---13788050994.pdf
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/a44cce1bacca778e7d2b44af00b42bf8/27862170510.pdf
- https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/tuwedadowilujekumow.pdf
- http://mtecommerce.it/public/news/file/67530592777.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d35b8e54255---bisezawisokekamifug.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=47+inches+in+cm
- 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_off0000e1da.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1DA | 16792 bytes |
font_01_sfnt_off0000f9f1.bin06eda9db3e034a3dcfcc04f0353d5694c91cf26e1ac5dc107df94bf797bdbf9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9F1 | 10000 bytes |
font_02_sfnt_off00010fe9.bin36900e70ffa1f94d6b4a22e7ea7f5619c438a74fd75e0dc8262d563e1aae1da9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FE9 | 17768 bytes |
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