MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to potentially compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution lure. The presence of multiple external URIs and the nature of the links indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 https://motoralbini.it/files/file/25995822276.pdf
- http://ottuk-e.org/userData/board/file/wotalal.pdf
- http://draftingfloorplan.com/ckfinder/userfiles/files/bozenaxitetotumizajiraka.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1613ecd23d50b9---wipesodedanidogas.pdf
- http://labsshop.com/d/files/51935239772.pdf
- https://excore.hu/ckfinder/userfiles/files/lovidivurunugulifun.pdf
- http://anhuishangbiao.com/upload_fck/file/2021-9-9/20210909205314153097.pdf
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/2e7i4jnb6m7lthirg23tetrup5/betuzakaforerofaxelixavu.pdf
- http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/pukasajimo.pdf
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/2jrauu0nq889me2cf1v2cbdj3b/29579090282.pdf
- https://my-natural-style.net/upload/files/12447868670.pdf
- http://hitecds.com/userfiles/file/kitirulebizuv.pdf
- https://mimpishio.com/contents/files/10475393317.pdf
- http://hoinhikhoavn.com/img/files/32360504998.pdf
- http://babywagen24.de/userfiles/file/kiturakusatovividez.pdf
- https://aiwatopup.com/ckfinder/userfiles/files/37654690631.pdf
- http://tumwebthailand.com/ckfinder/userfiles/files/kofulowuranirot.pdf
- http://immodraft.de/images/architekten_agentur_images_/file/lunose.pdf
- http://thepokewave.com/uploads/files/18463110671.pdf
- http://fobas.cz/userfiles/file/foxoxoripekiva.pdf
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/bebb205e765f82dc2b8f291d841b940f/ludemofapubezaxetaboga.pdf
- http://rutka.pl/media/upload/files/700b3de630ac65ea15b0a1a05310ded8.pdf
- http://german-ex.com/images/blog/file/razazajuzixatujawa.pdf
- https://futurefacesnyc.com/uploads/file/xuwofopobivexivi.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130dccd2b93f---paluzuvilolegezuzuwavaze.pdf
- http://majortaylorride.info/images/uploaded/file/34164590366.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=solve+by+completing+the+square
- 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_off0000dc39.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC39 | 16792 bytes |
font_01_sfnt_off0000f450.bin56d5efd2de2429a811f1fefaccf0f432d3f484aa5cf39743aab4b60862b81a13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF450 | 11464 bytes |
font_02_sfnt_off00010eac.bind00e398e5cb642e31d3c0671c354cec045bcf527c65aaf7215b468856af61428 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EAC | 18248 bytes |
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