MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and contains metadata indicating it was generated by wkhtmltopdf, a tool often used to create PDF documents from web content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://espacioschillout.es/images/admin/file/78579797732.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/b8n4cb8arrqim6nm0j23ta8gl7/15695880491.pdf
- http://matras-devison.com/upload/file/89011644566.pdf
- http://abwingsbuffalo.com/uploads/files/10554394550.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a0c1c226056---37811729928.pdf
- https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/42614269708.pdf
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/d894477acecbbd961985e38028a70995/36032976359.pdf
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160d1ead160e33---wexapojodagamogavoxi.pdf
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070bffd92ff5---rokodolonuninedotogirono.pdf
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/ce0231e0796a91f318250146f8025d06/dexexifafiditu.pdf
- http://mfcwestenkwartier.nl/beta/userfiles/file/67712857489.pdf
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/61235c91224eb8265c4d3249dc70bd6b/3365246052.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bddda557864---larumimoven.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085fb1db1710---79375727150.pdf
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc062caf1b---36722476268.pdf
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/f98421baa8132b33f6ae5d0a6f48c9e1/6559692417.pdf
- https://baohohoanglong.com/userfiles/file/2611778093.pdf
- https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/25600f6b8e30fa12bf1ded281e355375/kubudevudewinederaw.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16075dde88ec8e---86065388672.pdf
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/e5mcd1oq3elg3nd19nk6iq37jc/zavef.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/auj711hidaf50idspjq9387u2b/tarixunaz.pdf
- http://sns.hu/_user/file/3148038340.pdf
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/7452ivokcofotpe0ccg35lpqh5/tivojubifav.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/bd14e769031846ca6f8f330e0ff1a341/1524505116.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=grow+in+grace+and+knowledge+sermon
- 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_off0000fd4f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD4F | 16792 bytes |
font_01_sfnt_off00011566.bin3b22f434ccd9428aaadd05ed5934f5926c7c37ef302d533fdf92022f62bef658 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11566 | 10832 bytes |
font_02_sfnt_off00012e3a.bin55d6942e0a81bafeaf7ba70682647c5a0ada65cdd36910ba863ab04f120f40b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E3A | 16988 bytes |
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