MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a link farm pointing to multiple disposable domains, suggesting an attempt to redirect users to malicious content. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates a common tactic to bypass gateway scanning by instructing users to decrypt a payload. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://geasit.it/userfiles/files/83468183976.pdf
- http://changrung.com/ckfinder/userfiles/files/26714210826.pdf
- http://we2meeting.com/ckfinder/userfiles/publics/files/nizaziretifedojoto.pdf
- https://nepalonlineexam.tisaracademy.com/userfiles/files/vasujawanepumusiwalexuz.pdf
- http://timandlor.com/userfiles/file/divaxateri.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/4c7baad9b022d433c4aadea4412e25c8/fabisafuxaterirake.pdf
- http://salamatekhanevadeh.ir/ckeditor/files/files/64954084921.pdf
- http://48bulls.com/js/upload/files/bujovubitanizudexefufute.pdf
- https://netwindowvn.com/uploads/userfiles/file/4216204187.pdf
- http://pomocnaukowa.net/Upload/file/10462004744.pdf
- http://salon-urody-bellis.pl/images/file/30716128037.pdf
- http://stlukesfp.org/ckfinder/userfiles/files/xixobifitarex.pdf
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/8cbf80ead6c652d3fa31b94dc5c82f5d/90091189724.pdf
- http://nature-revive.org/files/file/jivepujuzagav.pdf
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140ce6721238---volugozuwotuxupiruwakixi.pdf
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/b1n9vq0g4066s0vt8tj93g0i7u/57319607536.pdf
- http://hasyo.net/files/file/69882840598.pdf
- http://archive-2014.humandoc.pl/attachments/file/lufogejekake.pdf
- http://verynailscm.com/user_img/file/gitoraroriniroxugogajut.pdf
- http://paletydozahrady.cz/ckfinder/userfiles/files/90575123208.pdf
- http://exosushi.com/uploads/files/xunuj.pdf
- https://abouelhoulgroup.com/userfiles/files/57876251929.pdf
- http://alessandrobelleseveterinario.eu/userfiles/files/1341177817.pdf
- http://foto-preiss.at/upload_files/files/kodowuvudaxiziduzi.pdf
- http://serextion2006.com/js/upload/files/93777792583.pdf
- http://kientrucphatloc.com/upload/files/54078132432.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=room+planner+home+interior+mod+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_off0000ea15.bin6e800853df30affe2337d092f616e3b6082c53e53279fd9464506a62352859a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA15 | 10628 bytes |
font_01_sfnt_off00010220.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10220 | 16792 bytes |
font_02_sfnt_off00011a32.bin1c11adee6e4cdafb7314c83ac31080893d5d727bffbb1759f5895867058cb5b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A32 | 17912 bytes |
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