MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains an embedded JavaScript stream and a large number of external URIs, many of which point to disposable hosting or compromised WordPress sites. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to open a password-protected archive, a common tactic to evade gateway scanning. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 8
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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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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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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://pechati-piter.ru/userfiles/file/rakejexizinis.pdf
- http://kaizousha.com/js/upload/files/sejoni.pdf
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c29df48b254---bojinisazoz.pdf
- http://18554080.com/userfiles/file/19768618462.pdf
- http://placc.info/up_image/tipimu.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c02c119638b---rifepamofufobodawimekop.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/cc0paekh17ip8m3jp1jlks34au/22315755035.pdf
- http://unseenadventure.com/userfiles/file/45216646214.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608f4b11f3f1b---42988185084.pdf
- https://alshamiltrading.com/alshamilfiles/file/75930145617.pdf
- http://studiolauramoschini.it/userfiles/files/53548731419.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c169e54fab5---jemakamelujujebijobugutu.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff07c5c42d---zenegomizomobolepewe.pdf
- http://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/xevaweluliwamaweveruponor.pdf
- https://dimensioninteractive.com/WYSIWYGImage/file/50162411736.pdf
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/84477dff2c37dcc2d80c79303e831e6e/zekegarilerefug.pdf
- http://www.anjhimayath.com/upload/file/namodi.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077cc662253f---89399617125.pdf
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/mra1tvdostajg7j0tfte86pj03/37906444902.pdf
- http://valsadindustries.com/userfiles/file/32232442339.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5f6fc2f9a0---jagidajixeperezoje.pdf
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/se7iip14qpaeetnrtespm5b9ta/73705328694.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=sopa+de+letras+para+adultos+mayores+para+imprimir
- 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_off000117a1.bin7647a4f96a17666f284f96adc883e076e236a02213c766334967785f2bf2150d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117A1 | 18376 bytes |
font_01_sfnt_off00014644.bin2c5acdb2140e3fa6eeabbf722e6411980bf50dce10f3a39f1d57d7eb5b528a8d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14644 | 10740 bytes |
font_02_sfnt_off00015f01.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F01 | 16792 bytes |
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