MALICIOUS
224
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains embedded JavaScript and is flagged by ML classifiers as malicious. It also exhibits characteristics of a link farm, with multiple URLs pointing to potentially compromised or disposable hosting. The critical heuristic 'SE_SECRET_RECOVERY_LURE' indicates the document's intent is to trick users into revealing sensitive recovery information, such as private keys or backup codes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 8
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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://geriatriccarenewjersey.com/userfiles/files/fexobuguz.pdf
- http://www.idukkidiocese.org/files/js/ckfinder/userfiles/files/58432459926.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/dhbcbnm88q8g5ate8blcb7h4gg/27615328398.pdf
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb65594776---48956120384.pdf
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fcb34e48f3---niguji.pdf
- http://woodbridgeabw.com/uploads/files/47200401712.pdf
- https://alubiasdetolosa.com/files/galeria/files/bewox.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613361f5a468e---fisefufonifipos.pdf
- http://gerastar.com/userfiles/file/nejewidawo.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613f64d9302ac---4457789306.pdf
- http://klimagra.pl/images/wysiwyg_img/file/femuvixalabogi.pdf
- http://clubesquilacoma.com/uploads/files/nusabowigikate.pdf
- https://stillwaiting.org/userfiles/file/xorajewovaxe.pdf
- https://amoslodge10-org.alljobsinliberia.com/ckfinder/userfiles/files/zivawuvelebabexemi.pdf
- https://foodphotoshop.com/userfiles/files/78537366738.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137a9837d243---72600147673.pdf
- https://grnca.org/img/files/files/meputenido.pdf
- http://skupka54.ru/upload/m/5791776175.pdf
- http://bfcy88.com/uploads/files/sezinuxumebejaramo.pdf
- https://legend-chang.com/UserFiles/files/bakupepalofe.pdf
- http://brkvinc.com/userfiles/file/96934538270.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136846df080f---28121151240.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=office+2016+product+key+generator
- 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_off0000db00.bina04aff865e9f7596bc3431e0ccd9015dfa3abe1a3525a75596f5d340faee603d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB00 | 11376 bytes |
font_01_sfnt_off0000f5d6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5D6 | 16792 bytes |
font_02_sfnt_off00010de8.binc7fd93806066889654af571962661e56cac9cbf442da630f8f80696bb0f88b26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE8 | 18496 bytes |
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