MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many pointing to compromised CMS upload directories or disposable hosting. This indicates a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly support a malicious classification, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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 https://wastran.ru/uplcv?utm_term=boboiboy+galactic+heroes+mod+apk
- http://wuyioutdoor.com/userfiles/file/zuwixijijivutemoxox.pdf
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/c94a3d8458a7b79a8c9409f4a57f3a7c/zadugakamebudarubi.pdf
- http://w-f-l.de/user_img/file/jatibekos.pdf
- https://maturana.cl/upload/file/47027979104.pdf
- http://teplolux72.ru/upload/file/julib.pdf
- http://vinczeandlaszlo.com/upload/tonobezasexonazezobuz.pdf
- https://novinfasteners.com/userfiles/file/7735412245.pdf
- http://ebara.com.hk/ckfinder/Zenith/userfiles/files/10364229496.pdf
- http://shipsupply.ru/userfiles/files/niwowebegez.pdf
- https://ajitcoatings.com/uploads/fewaxogekipolapifole.pdf
- https://cam-ceeds.org/ckfinder/userfiles/files/84745634986.pdf
- https://i-chat.tw/js/ckfinder/userfiles/files/rinijemodegomimunoru.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/1b8a5a2db96ed2d757f03c63b43f32a5/12012953895.pdf
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfc0adafc3---73965590389.pdf
- https://drbumbnursinghome.in/ckfinder/userfiles/files/wujugivasagadukelapakotop.pdf
- http://tercovci.cz/files/file/51909150508.pdf
- https://panificioilcavaliere.it/userfiles/files/64109297283.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe7246a931---12873370309.pdf
- https://zilalcooling.com/other_files/File/67925705093.pdf
- http://adanamega.com/userfiles/file/wusixivedul.pdf
- http://philipsphotographystudio.com/nidukitufavebevojuze.pdf
- https://martan.es/cenavarra_userfiles/files/rawasumugo.pdf
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/16139467306e54---rugijekoxonak.pdf
- https://www.opsclown.it/ckfinder/userfiles/files/80122003689.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_off0000b024.bin793a2253f4c310d2d69e49e043f2fe982f797f5cf6ae19d83abd3b5960ab3fc7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB024 | 16844 bytes |
font_01_sfnt_off0000d9e9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9E9 | 16792 bytes |
font_02_sfnt_off0000f200.bin527749329e1f1ddb92ba2434a558197d74bfcccb588f16d388bb0c8e0509cb44 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF200 | 11256 bytes |
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