MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm directing to numerous URLs, many hosted on compromised CMS platforms, indicating a phishing or distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9809
Heuristics 6
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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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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://phuocthuan.vn/images/pic/file/wajelenan.pdf
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/3a12ad8c37428a11984773f2f222d9b0/gabamezasovopameju.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/rh1679l2bpp0fi3m6sgt7uh4av/dewodugoputibubaj.pdf
- http://duszek-lasu.pl/userfiles/file/fisobagegabok.pdf
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074fee057e60---jufolebipupizafeko.pdf
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/5f44384f2b70d0f4c5e1c9abacc309ec/80368138415.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9c24c06f4---siwojusalusiwidalupif.pdf
- http://www.77ice.com/upload/files/letowotamesexoj.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16082abb3875cc---vukukujaletukiludarix.pdf
- http://www.grupoaccs.net/ckfinder/userfiles/files/93421910101.pdf
- http://erex.hu/upload/file/fugizopokezatosuwowi.pdf
- http://perilatomsk.ru/ckfinder/userfiles/files/43206240019.pdf
- http://bacsionline.net/userfiles/file/84753560244.pdf
- http://www.kizkulesikizogrenciyurdu.com/public/ckfinderuploads/files/30288669837.pdf
- http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kaxixuzinuzepotefuge.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf2ae773969---filikibad.pdf
- https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/05ef6p9svbmafuqmkcj1fdsb5b/13594821669.pdf
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/cade303f8a817bd9791dd8b19cc3ef6c/58572240956.pdf
- https://canionglobal.com/FCKeditor/file/mamagenopidodanovaf.pdf
- http://111-orte.de/testarea/cwsCMSlight/media/files/tasenikojilumopakepe.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/pkk36ljh61e21vrk6elrbfib48/8564650230.pdf
- https://cmsschoolkg.org/userfiles/file/mesejezaniwuwonedasosike.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c9f62efde---97713558771.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=ibm+watson+brand+guidelines+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_off00018c2a.bin76013635d5c011ff073c892f2994bb55684602a8e050252a70db63fc9a68e2e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18C2A | 11120 bytes |
font_01_sfnt_off0001a5bd.bin49e9ffb4fafef1cb9be09992f1d652b8901cb3f9d186ef2f37638a152913d307 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A5BD | 18228 bytes |
font_02_sfnt_off0001d5f2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D5F2 | 16792 bytes |
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