MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm designed to redirect users to malicious destinations. The 'SE_INVOICE_LURE' heuristic indicates a potential phishing pretext, and ClamAV detection confirms its malicious nature. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/d28870ea279bfc2d3e534d304deb5f0e/11632003763.pdf
- http://namngonviet.vn/user-/files/27787995698.pdf
- http://studiovalecchi.it/userfiles/files/36580277602.pdf
- http://maychamsocda.vn/images/userfiles/file/japize.pdf
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/kazoriwurazok.pdf
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/18i5gjuqfdmaei8441emsrbrrg/1707620375.pdf
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/34552946973.pdf
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/0ea05ef7e3c67c582d9cd9739f373fb4/wudojev.pdf
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607965615accc---65456914323.pdf
- http://akkoryazilim.com/userfiles/file/doropipurilevafe.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bb94abedb88---27867016098.pdf
- http://agrobud.net/uploaded/file/sasumebuwakomivawudagul.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16082869e303b2---wazanef.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/1e419c4505219b20bae17027d3ebcd81/gegivolozakelugoleta.pdf
- https://varbackaforskola.se/ckfinder/userfiles/files/zavojeseravu.pdf
- http://bronia.org/userfiles/file/rikowutenuvopavu.pdf
- http://decalvanphong.com/img_duhoc/files/numiriwesi.pdf
- http://kleinschaden-expert.de/userfiles/file/zusol.pdf
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c4417cab5---80702476013.pdf
- https://rmp-traueranzeigen.de/cms/files/kogovokuvuf.pdf
- https://dcoderesearch.com/uploads/wuxumib.pdf
- http://brette-animation.com/userfiles/file/wekikagubuxajujositowumef.pdf
- https://thokhoavietnam.com/upload/files/zoxukajifafefekofobowojok.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=antropologia+pdf+unam
- 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_off0000d213.bin38885487d40979a0afa25d773e4fff8c33ad684ee8e7828024b286d3b771f1e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD213 | 10624 bytes |
font_01_sfnt_off0000ea1c.bind24f127c7798f31145030e1b4c4d39cb7d70aaf243f496a77ac8bc1399d52298 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA1C | 19208 bytes |
font_02_sfnt_off00011bfd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BFD | 16792 bytes |
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