MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms. The embedded URLs suggest a phishing or malware distribution scheme, leveraging seemingly legitimate domains for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://oniceh.ru/uplcv?utm_term=essential+toxicology+casarett+doull%27s+pdf
- http://martonaroniskola.net/userfiles/file/99006324130.pdf
- http://arohitourandtravels.com/userfiles/file/waralefij.pdf
- http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/getepu.pdf
- http://szymonadamczyk.pl/uploads/fck/file/nasivibipok.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a9a47c4231---99891457494.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a2251e6b026---13970519554.pdf
- http://finproekt-msk.ru/userfiles/file/26593467809.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/l9ek7lbaohkodcsffgmbpvbk05/30733194927.pdf
- http://alexanderkanevskyartgallery.com/clientMedia/file/jixuvaxetivujora.pdf
- http://nm-union.ru/ckfinder/userfiles/files/nanogirewodimovu.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16088879fb3e85---jamitot.pdf
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/32v5b8bddi5qs8r56vvsqkmtkp/92898945580.pdf
- https://beatmuellerfoto.ch/userfiles/files/diradurapibegug.pdf
- http://feriaalainversa.com/uploaded/files/46772218774.pdf
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/55f22a11a17ebebb1c69a8378444977c/neremovewiterebawixutula.pdf
- http://anhuizhkj.com/upload_fck/file/2021-5-5/20210505075349712153.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/f6a861ac5edc3fa5e1448510143a13a1/48771763394.pdf
- http://robertoantoniz.com/resources/original/file/nawemese.pdf
- http://brandnewgoods.net/userfiles/file/pibusavenazazivapuxoxoped.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/91eabb093a3ac445bb99bb7a31cb2523/depurivitesinej.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe1b57cf93---lumudugijalekimesimu.pdf
- https://amrapalispot.com/userfiles/file/tugopojinaperekowor.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/okbilds7ckf11moj4c45q245dh/rakifuzoxevulolozetukid.pdf
- http://ohsongpharm.com/ckfinder/userfiles/files/marirorununufikurul.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_off0000e626.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE626 | 16792 bytes |
font_01_sfnt_off0000fe3d.binf79ca2e60e2cf519a2ab48c70c5810985e4d94836d0871d45b4123a72012bd56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE3D | 11128 bytes |
font_02_sfnt_off00011839.bind7b4adb1b428a064030fed55d05523c3898fc7b738fb9294a76273e0c7dd1a42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11839 | 17856 bytes |
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