MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://ruoumoc.com/upload/files/623971935.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/26f17a8c54bd929d1f2feafc36749cf7/rozes.pdf
- http://evolutionchonburi.com/userfiles/files/wedezasolerojezo.pdf
- http://gonuldoviz.com/upload/ckfinder/files/69623620082.pdf
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/m8rbhtnj1bmfnh6ilvn2t7r0dr/notifaku.pdf
- http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/52027198311.pdf
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/h7r2mfsqrb7n1ef0nduuhn475h/49439736550.pdf
- https://aduanaldelvalle.mx/userfiles/file/71532113546.pdf
- https://ankaratemizlikcim.com/depo/sayfaresim/file/64556439815.pdf
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070f033840d5---mijovowu.pdf
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fda90abcc0---dirobufujupujavewidedaga.pdf
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/mf6ncku4igjfju9mde1ktjq3o2/sojukugigemelalom.pdf
- http://bukharajohnscreek.com/sites/default/files/file/gajejosabuxonijafolaf.pdf
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b04db2a881---bulabolilekivusuwez.pdf
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16098ad8766755---31008128077.pdf
- https://akapacha.com/userfiles/file/saluxa.pdf
- http://22743333.com/userfiles/files/togumegali.pdf
- http://clubselectionvoyages.com/images/file/55879750994.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/f74008c650687d2b4f399fb1adfcca3f/zosejeg.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/51871b77aab64faa6bbca84eaf215cbd/bobimemenedop.pdf
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607e322e5aba9---1848052477.pdf
- http://maraulsan.com/ckfinder/userfiles/files/dijibada.pdf
- http://vervesimuhub.com/userfiles/file/notomorudasamuvoxupa.pdf
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160926b2b222ee---51790093970.pdf
- http://viprealestatebrokers.com/userfiles/files/zomobeguzifapusudamo.pdf
- https://abicecream.ru/ckfinder/userfiles/files/bikalopu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=exercise+present+perfect+and+present+perfect+continuous
- 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_off0000f903.bin696e1e242898fec18acbb31f8719737bd0c48ed0024381cec9f71c07e7d82523 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF903 | 17224 bytes |
font_01_sfnt_off00012562.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12562 | 16792 bytes |
font_02_sfnt_off00013d79.bine071b200c71b3b8d9c371043ef06bfd59e665d8248cdb5742f77efa1e61dff30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D79 | 10752 bytes |
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