MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to compromised WordPress sites, suggesting a lure to download further content. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates that the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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 http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16078c754e44d2---poxepuvibe.pdf
- https://congchungnguyenlieu.com/uploads/files/12720644977.pdf
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c0e63e0b4cd---96484946933.pdf
- https://aradmissions.com/ci/userfiles/files/91764648702.pdf
- https://planet-for-events.de/userfiles/file/vuromiwiwide.pdf
- http://nowator-zpu.pl/userfiles/file/nikepejuma.pdf
- https://hsse.cl/files/gifidorito.pdf
- https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/3gvj7h3d66oatre62iqng794nj/dubadofolajekuwapegow.pdf
- http://porpora.biz/imagenes/imagenes_contenidos///zudogezomemuwaji.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608802057c753---pexemize.pdf
- https://adikketiga.com/contents//files/78577329482.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a48728d8c2a---wanolujomajonibowiweg.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a75244279---kugosijanagixorake.pdf
- http://asianmosaicnyc.com/userfiles/file/31847327028.pdf
- http://bularz-auto.pl/images/userfiles/file/kusijozubotetu.pdf
- http://ttmplus.com/userfiles/files/93879332096.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c69bdcd5d49---35633997439.pdf
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/b75a2f0316290e89aa48edd431ebf5ee/24647013869.pdf
- http://provia-events.de/pics/fotos/1/file/sigosezamujagapibiromuw.pdf
- http://clinicaveterinariabilancino.it/userfiles/files/35633589193.pdf
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/741d96fa7c25d56e05f5b31347b0b2ad/11972799856.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/gcrdict3fgcok0t5tn5rdsofl5/73714219884.pdf
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/63306edc02b6d98a0fa471b5d5b22a90/wutelorivuvojinamix.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/d22653716c6122bddefd0d1a44f8fae6/kejufuxagiliridodazajov.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/s9p5jtauqaqcj4jenp2s1uh3nf/52342364112.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=pdf+protect+software
- 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_off0000eb4e.bin28b12435b346198bc53a1c8fedb6aab6f9816ffd11960bbd82165cc14db54238 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB4E | 10460 bytes |
font_01_sfnt_off0001033b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1033B | 16792 bytes |
font_02_sfnt_off00011b4d.bind29d8f94eb57e029706303a989f38a6f344ed5c103e76e2849b18b5b0b405c42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B4D | 17236 bytes |
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