MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, with heuristics indicating embedded JavaScript and a link farm pointing to potentially compromised WordPress sites. The PDF contains numerous external URIs, suggesting a phishing or malware distribution attempt by redirecting users to external content. The presence of embedded JavaScript further supports malicious intent, likely for exploitation or obfuscation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://oreade-breche.fr/userfiles/file/wuwidiwumigife.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/cc477890461820bf4edb3277df0ebbfd/pufavubozem.pdf
- http://rejs2013.cycling-recycling.eu/imgturysta/files/40877821241.pdf
- https://adtw1.com/ckfinder/userfiles/files/nuwukivimiwefigoxo.pdf
- https://www.domosystem.gr/ckfinder/userfiles/files/74105748381.pdf
- https://samarthanamparisara.org/apadmin/uploads/userfiles/files/goketi.pdf
- http://agrostroi-proekt.ru/ckfinder/userfiles/files/kasub.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392f9850c2b---muwifepijugimazin.pdf
- http://rungrawin-itt.com/userfiles/files/lozij.pdf
- https://www.highettmetal.com.au/application/third_party/ckfinder/userfiles/files/73063679491.pdf
- https://skvely-kup.cz/files/file/vanofebugazu.pdf
- https://yodishit.com/uploads/userfiles/file/suvonetesojukuwuga.pdf
- http://ambvetsanprospero.eu/userfiles/files/sobigokasogitidevavopi.pdf
- http://paddockj.com/user_data/editor/ckfinder/core/connector/php/upload/files/pagevarizazafa.pdf
- http://squash-fitness.cz/userfiles/file/gufajopirulajelod.pdf
- http://mcdanielz.eu/files/file/filukas.pdf
- http://kerekesvillszer.hu/UserFiles/file/vasubotopukafijun.pdf
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/531mckmsfe63s5dqu4gng902vb/84494701231.pdf
- http://daisytalavera.com/userfiles/files/vapagerezet.pdf
- http://vagtteam.dk/userfiles/Files/43095988232.pdf
- http://hagelkonzept.com/userfiles/file/nidiviweribawowuvigim.pdf
- http://sabancilojistik.com/userfiles/file/luviwavenesevazadalevaw.pdf
- http://mkpstroitel.ru/upload/files/pazukafaja.pdf
- http://carnow.jp/js/upload/files/nejavobumesubo.pdf
- http://dominant.name/userfiles/file/22691879414.pdf
- https://unitjaya.com/contents/files/wagogofuwatalusumeduxolem.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=theory+test+app+apk
- 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_off0000da96.bind5b176686c96b78bfd0f15a7c9da067aa66334501f1b89ce62f31570ab6226c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA96 | 19628 bytes |
font_01_sfnt_off00010daa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DAA | 16792 bytes |
font_02_sfnt_off000125c1.bin00849fe7ea5a8bad0cdd875da58d9db2c5ac2be6754c3cfe4cab4ac05da8a350 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125C1 | 10276 bytes |
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