MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as a malicious PDF by ClamAV and an ML classifier. It contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://htk2.altrodesign.eu/ckfinder/userfiles/files/lotozamenezuvuwasubad.pdf
- https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5396b6302---bafidominorinefasufafed.pdf
- http://statewideroadservices.com/clients/879378/File/voxakikivow.pdf
- http://sincaremedicaltour.com/js/upload/80881937292.pdf
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d702e67698---mezerufudufaduvib.pdf
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/451a0bfa45f8e4125d7b561969e33aa1/dexobakupepo.pdf
- https://hpsoft.shop/upload/files/15889598528.pdf
- https://arte-salon.ru/upload_picture/roser.pdf
- https://burgas-remonti.com/userfiles/file/33942762346.pdf
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/t6keft6728jd24s2p904r45qd4/5908769629.pdf
- https://leanuslab.com/UserFiles/file/280008287.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/6f7566ea0250684446cc8f09aa3d64e7/jeboregamotukijakudubak.pdf
- http://www.greddy.com/admin/common/ckfinder/userfiles/File/19049692433.pdf
- http://teenaramainc.org/clients/875997/File/2035420086.pdf
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/1a5d8938c3a8f3bd222fc33545389a48/38570678546.pdf
- http://retrolondontees.com/userfiles/file/10395609923.pdf
- http://huyndaicaudien.com/upload/files/14857993832.pdf
- http://cuacuongiare.vn/upload/files/tujeg.pdf
- http://teamwork-poetschke.com/ckfinder/userfiles/files/40873215659.pdf
- http://brkvinc.com/userfiles/file/72501070388.pdf
- http://alacarte-design.de/userfiles/file/duxof.pdf
- http://changrung.com/ckfinder/userfiles/files/60675017133.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608447c695011---97889254396.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=welcome+to+jurassic+park+theme+music+mp3+free+download
- 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_off0000dbca.binaacab7aebb1d77067b6782b4365ac569cf02aee7c197028493de867f094c36f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBCA | 11456 bytes |
font_01_sfnt_off0000f6c4.bin8e936b4c04cffcb4904506f552891e451ae30fca2f26a2fc63215e5a880012e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6C4 | 16948 bytes |
font_02_sfnt_off000122fd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122FD | 16792 bytes |
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