MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
T1204.002 Malicious File
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous embedded URLs, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. The document body is heavily obfuscated and unreadable, preventing further analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://mbcasc.net/imgs/file/23505096696.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084b70a84514---tefutogagigamujewa.pdf
- http://vatlieubaooncachnhiet.com/userfiles/file/35463919543.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/e1166fec093c95ee93896e124a1c7209/nobekudakevijusokomun.pdf
- https://retrofitoman.com/ckfinder/userfiles/files/39665522653.pdf
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607710c0e20dd---kuzaniwep.pdf
- http://esipro.fr/userfiles/file/84664612074.pdf
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16079bd725dbff---92166745124.pdf
- http://blessingsngo.in/userfiles/files/59685850110.pdf
- https://www.epicbrands.co/wp-content/plugins/super-forms/uploads/php/files/c8f21ede6106ead584e8a9515f149c41/jiriwa.pdf
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/9pbq5dc6gmom027r74663ongb4/58538468749.pdf
- http://naturalmis.com/userfiles/file/vegenuguju.pdf
- http://flapboxes.com/userfiles/files/zavuxijufefonavaxara.pdf
- http://openendrep.com/userfiles/files/86172747492.pdf
- http://wearefamily1234.com/clients/3/31/31b46d3307e4516335aa88350909469c/File/26836204717.pdf
- http://web68s.com/upload/files/19773703952.pdf
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/a9f264d33c707976bbcee03425e02d83/nenijudabafonefezo.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/2239a59ff55b119b3eda4592fd57a7c1/jigolusepe.pdf
- https://economiadecomunion.net/ckfinder/userfiles/files/nusikuxonuxunadeleb.pdf
- http://standardamulet.com/files/files/46686394268.pdf
- http://raczcsalad.hu/files/putupexa.pdf
- http://ylplj.com/ckfinder/userfiles/files/6939842746.pdf
- https://kaisar168.com/contents//files/rosowenupajalofasoja.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=fle+compr%C3%A9hension+%C3%A9crite+a2+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_off0000de4a.bin30373b888db6032261d6e059b85dc0615c8633326f00650bbf5a52d25906974b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE4A | 11136 bytes |
font_01_sfnt_off0000f7c9.bin2d40eda4f03bb977a51b24d182db4b49c285ac48065804b3fa6da2411e8ef9f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C9 | 21060 bytes |
font_02_sfnt_off00012d24.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D24 | 16792 bytes |
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