MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and multiple external URIs, including one pointing to 'garglob.ru', which is flagged as a link farm. Heuristics indicate the document uses MFA/one-time-code harvesting lures and visual download buttons, suggesting a phishing attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to exploit the user into providing credentials or executing a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 9
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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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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://garglob.ru/uplcv?utm_term=free+paysafecard+codes+no+download
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/68186147104.pdf
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16135b05895707---10412614125.pdf
- https://sdudyogtechnologies.in/ckfinder/userfiles/files/14197540957.pdf
- https://nhomphuongnam.com/upload/files/kefugowufi.pdf
- https://happy-playground.gr/uploads/_uploads/files/97051382751.pdf
- http://soskuwait.com/outscapes/admin/ckeditor/uploads/ck/files/76024960953.pdf
- http://printific.com/images/contentimages/files/taverutaxinofobata.pdf
- http://technestudio.eu/userfiles/files/nerikitaxeja.pdf
- https://girisimhaber.com/uploads/file/mumipubabenogobixini.pdf
- http://phutungtdc.com/upload/files/fuvuj.pdf
- https://songhong-thudo.com/img/files/56610061743.pdf
- http://uklearningnetwork.com/userfiles/file/33684142322.pdf
- https://rkdestate.com/userfiles/file/5092051042.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16136b6d38cf35---butupobasoxozisanuwu.pdf
- https://biserica-izvorul-tamaduirii.ro/files/98607205451.pdf
- http://majortaylorride.info/images/uploaded/file/gebukejepixawezudir.pdf
- http://bytip.net/filespath/files/20210914080916.pdf
- http://erdbau-rauch.at/38822943026.pdf
- http://iltorg.ru/upload/file/sudejijojabefavapubiw.pdf
- http://pereplanirovkaoblast.ru/pict/file/8955725205.pdf
- https://mytalk7.com/_UploadFile/Images/file/54636340288.pdf
- http://danangsculpture.com/uploads/image/files/39824662476.pdf
- http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/magobijubadametovozow.pdf
- http://ms-beauty.com/ckfinder/userfiles/files/relizopi.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_off0000d906.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD906 | 16792 bytes |
font_01_sfnt_off0000f11d.binf17336b259117c5d003cd36cf05409e2fd1d34f7d95a140ec138b8328dbfbf9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11D | 10600 bytes |
font_02_sfnt_off0001097f.bin56c32367f218738bb626a36e60e13eb30a66a73a0fbdc8f5572015813f556833 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1097F | 18076 bytes |
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