MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier with high confidence. It contains embedded JavaScript and a large number of external links, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded JavaScript indicates an attempt to execute code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://quick-thailand.com/images/uploads/file/zuduvetusiman.pdf
- http://hani-bee.com/userfiles/files/selegetizerofakopetad.pdf
- http://amandatour.ru/js/ckfinder/userfiles/files/2095613635.pdf
- http://eia-edu.com/userfiles/file/nogek.pdf
- http://tplustech.com/images/ckeditor/files/tinefagafufawanugolom.pdf
- http://bahtiyardishekimi.com/fckfiles/file/vigekitefolafez.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2b1121c40---46456895200.pdf
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/d7a229488b70407b82c70752b61a2e1f/tuxuru.pdf
- http://secretinvitation.net/images/files/4472574708.pdf
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/s4aev9abfdsdg2887dfk8q57nt/dafoduxiwifimabinu.pdf
- http://axwelindia.com/uploads/99715282847.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/6d6534e7df6f8743dd4c1c07d3482c77/reteliri.pdf
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/4f5fd19df8c73ff3b0e20ac5a26120e6/betorufo.pdf
- https://centrorevisionimonregalese.it/file/50131165336.pdf
- https://beaszemin.com/files/85866106950.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160a48c133c878---pedubimifer.pdf
- http://dongzzang.com/userfiles/file///95022449468.pdf
- http://kythuatviet.vn/uploads/userfiles/file/silalomatoxupibox.pdf
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9850178c27---tomovi.pdf
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b20833a7560---97736298647.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a33aa72dab3---46776469294.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/b3a1723c8ef496349a2f32b3024af6fd/95871275716.pdf
- http://techsystem.gr/data/uploads/ckeditor/files/9845319571.pdf
- https://careoncall.in/userfiles/files/60027223320.pdf
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16084b3bf410b3---99078302317.pdf
- http://artside.org/data/temp/file/77532369100.pdf
- https://rajaketiga.com/contents/files/dujarobakuzafa.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=msa+high+school+entrance+exam+reviewer+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_off0000dfd8.bin81d09969d464d2ec0780afc1cd935abeeb01717508f128f633c216d4bbaabb5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFD8 | 17136 bytes |
font_01_sfnt_off00010bc9.bin1a17e7ddefdd9416277e0af9175d7a3f7d60b90a965e065dc321696391bba963 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC9 | 11316 bytes |
font_02_sfnt_off00012619.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12619 | 16792 bytes |
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