MALICIOUS
224
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple links to external resources, some of which are hosted on compromised websites. The critical heuristic 'SE_SECRET_RECOVERY_LURE' indicates the document's intent to solicit sensitive recovery secrets or private keys from the user. The embedded JavaScript likely facilitates this phishing attempt, potentially by redirecting the user to a malicious site or displaying a fake form.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 8
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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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://luxcottage.ru/stroykamen/userfiles/file/ruwajedisil.pdf
- http://exmar.it/foto_fck/file/fudenusol.pdf
- https://cakesandcupcakes.net/userfiles/files/xuvoj.pdf
- https://silatur.com/js/ckfinder/userfiles/files/79554440332.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16134c21c05683---vojitirisa.pdf
- http://adaviestransportltd.com/userfiles/file/80214870486.pdf
- http://longbeach.ilovepokebar.com/uploads/files/38022166942.pdf
- http://ventensis.lt/public/ckfinder/userfiles/files/86751967676.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16136963eadcfa---fatolur.pdf
- http://baobianhkhang.com/upload/files/dinipo.pdf
- http://cadelupo.it/userfiles/files/muxepubigamuper.pdf
- http://sfalojistik.com/userfiles/file/31379144472.pdf
- http://harringtonandlombardi.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/78402840285.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16137b5a0e286e---38311461298.pdf
- https://bisnismedsos.com/userfiles/file/31663672359.pdf
- http://bonaparte-kerkrade.nl/fckeditor/ckfinder/userfiles/file/81965101239.pdf
- http://hibertek.com/image/files/20210912_055108.pdf
- http://location-appartement-venise.com/italie_documents/files/76442582485.pdf
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/rlbn95h96q6aei188d12obqlsm/gavujisezabexudamivab.pdf
- http://newabel.com/ckfinder/userfiles/files/mujijagunakelifipeg.pdf
- http://clarksville.net/wysiwygfiles/file/35265919861.pdf
- http://colokit.thienlonggroup.com/Images_upload/files/duxuxavumeb.pdf
- http://www.ciesol.es/ckfinder/userfiles/files/24949808967.pdf
- https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/13580426685.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+lock+download+from+play+store
- 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_off0000c2be.bin497a1a730d49ca0b237a238da6df7da394e5c122557ce71040457ab759540237 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2BE | 17400 bytes |
font_01_sfnt_off0000efa8.bin3eeed056dc3f9ae0f6e4a60079037e92de7ecdeda3654b13756705e585fcaa5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA8 | 10972 bytes |
font_02_sfnt_off00010932.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10932 | 16792 bytes |
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