MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ML classifiers and ClamAV as malicious, indicating it likely exploits a vulnerability for client execution. The numerous external URLs, many pointing to compromised CMS uploads and disposable hosting, suggest a link farm designed to redirect users to malicious sites. The primary purpose appears to be directing users to external content, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://pistant.ru/uplcv?utm_term=leave+your+mother+and+father+scripture
- http://buergerforum-tirol.at/file/nuvizid.pdf
- http://chinazzjx.com/d/files/mubetapoboxanur.pdf
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/06f8b81699c98b067c672ce5173d7b48/sewutunogivabubasoximol.pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/banelqisdnr7bga4of65u68vl4/79975451560.pdf
- https://djennebeads.com/nbloom/fckuploads/file/7000662121.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b4914d57473---winomanuripasubatu.pdf
- http://jr-bang.com/uploadfiles/20210606192629.pdf
- http://danies.ru/ckfinder/userfiles/files/redurimewadirawapi.pdf
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/6e6508d78b729f6e6726d90e7b198f5c/55240057577.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16082733d562d8---lalipogusise.pdf
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac5f3406040---74001523525.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084404fc9890---15129463968.pdf
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/76551509609.pdf
- http://lungshingcentre.com/userfiles/tobebewevugenigunataref.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce27591fa33---49078612805.pdf
- http://orgue-chantepie.info/FCKeditor/upload/file/49064221409.pdf
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609a96903d284---wezuxinusojibufo.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b09f08d92f3---pezegugef.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad2a33391e---sidazitijutaserenoxupan.pdf
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608390aa6af8a---4175142242.pdf
- http://timandlor.com/userfiles/file/16335812273.pdf
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d2e0938c5fc7f26393f5f29337a06b8c/kibevopefawiperanigo.pdf
- http://heibldr.hu/FCKfeltoltott/file/2695699351.pdf
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/38fdf65acda68280c5c2a0e86e2b319e/bigeruwibo.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_off0000e9a2.bincf23b193741a9e4db2784f08a8a989ba20f9f5e34196ac092328fbb18e5edaa3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9A2 | 11076 bytes |
font_01_sfnt_off00010351.bin3afebbece8437566e9043c66928068f5922ac8b7de40d3d46af792d2748324ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10351 | 17104 bytes |
font_02_sfnt_off00012f57.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F57 | 16792 bytes |
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