MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1555.003 Credentials from Password Stores
This PDF document is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure. The heuristic 'SE_SECRET_RECOVERY_LURE' indicates the document likely attempts to trick users into providing recovery phrases, private keys, or passwords. The numerous embedded URLs, many pointing to compromised CMS upload directories, suggest a phishing campaign aiming to harvest credentials or redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 7
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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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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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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://queure.ru/uplcv?utm_term=can+you+unprotect+a+pdf+file PDF link annotation
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/eh07kmbl42vf28i5pk2uhbs7hg/misulaniwuwekaror.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcdd01430fe---66336047383.pdfIn PDF document text
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb76a30e3d---bawotuzusoxekepatotifu.pdfIn PDF document text
- http://aven.su/userfiles/file/4741366398.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160ec41fcefb37---neruvadanojivavixevane.pdfIn PDF document text
- http://lixupeng.com/uploads/files/40308605237.pdfIn PDF document text
- http://birnagarcollege.in/userfiles/file/wekabirakizasokoron.pdfIn PDF document text
- https://patidarpalanpur.com/web/k/main_admin/ckfinder/userfiles/files/89434538298.pdfIn PDF document text
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/vibatux.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/ue79tnsd34jghrgq9a0cf8tv21/divugumisix.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/ba6f57a5f0db875904ee018ae2a0da60/tikupaguwarilezopo.pdfIn PDF document text
- http://kondicionery-lubertsy.ru/upload_picture/file/49055493266.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072c1cfcecd5---rezutefogumi.pdfIn PDF document text
- https://abe-rdc.com/userfiles/file/82933825634.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e417997008---88899807043.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7f108d129---konut.pdfIn PDF document text
- https://fiscalonline.eu/app/webroot/files/userfiles/files/tazegako.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/4ab0736ff869db694abc23a649ff258c/60176892182.pdfIn PDF document text
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/59148b410ae4f1693cebded0d9c07611/92482860272.pdfIn PDF document text
- https://alarrabnews.com/images/content/content/file/xawisoz.pdfIn PDF document text
- http://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/97491d543480c600174775f5027d0a7d/76363078757.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161137a177e72d---talaponuxi.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16086060a03d5c---dodubagokugomaga.pdfIn PDF document text
- https://sindhuinvestment.com/ckfinder/userfiles/files/82947749897.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/tmn61up6fopigc0t1u4ica8i92/nazanubuwinilo.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dba7f963f16---fupixejapanasewob.pdfIn PDF document text
- http://ttmm.co.jp/ckfinder/userfiles/files/gugibanobilibidizunokata.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e2fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2FA | 10688 bytes |
SHA-256: 319817bf567b0261d85012e2fca4df244a80880cc63df90e7b8ddf56bed0602f |
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font_01_sfnt_off0000fba0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000113b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113B2 | 17644 bytes |
SHA-256: dd083fec4fe7b8b4df8d0096cf9853155762392bad6aad2d1970f02676522a3f |
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