MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple domains, including compromised WordPress sites, suggesting a phishing or malware distribution attempt. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely provides instructions to decrypt a password-protected archive, a common tactic to evade gateway scanning. While no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a malicious document, likely distributed via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 6
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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 https://allytemp.ru/uplcv?utm_term=remo+recover+for+android+apk PDF link annotation
- http://krukewittfarms.com/userfiles/file/29487932837.pdfIn PDF document text
- http://svazekobciorlice.cz/userfiles/file/gewuratuladifavap.pdfIn PDF document text
- https://yumasri.com/assets/ckfinder/userfiles/files/90226768787.pdfIn PDF document text
- https://hinodanang.com/uploads/image/files/sezizutebom.pdfIn PDF document text
- http://togclick.com/media/userFckfiles/file/vimalefexumafadoxegug.pdfIn PDF document text
- https://music-group-store.com/upload/files/buborarelugowusaw.pdfIn PDF document text
- http://pcwenhua.com/uploadimg/file/16305166591834737663.pdfIn PDF document text
- http://nollve.com/img/editor/image/file/rutepexagup.pdfIn PDF document text
- http://miroslaws.com/ckfinder/userfiles/files/lemozunat.pdfIn PDF document text
- https://madeirashopping.com/userfiles/file/misemox.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143413e8e65f---xamigo.pdfIn PDF document text
- https://simplehome.ro/ckfinder/userfiles/files/jadibatozejimofug.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/fe1bc01b4e0aa6bd0dd4fdb2df6072e0/24136937952.pdfIn PDF document text
- http://espokebar.com/uploads/files/34102254158.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa8b6b3bff---58358549589.pdfIn PDF document text
- http://aurastaffing.es/upload/file/48009644299.pdfIn PDF document text
- http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/jevibilusugavivitivizoto.pdfIn PDF document text
- http://www.integra-cr.cz/administrace/ckfinder/userfiles/files/26847941256.pdfIn PDF document text
- https://rajatotogroup3.com/contents/files/boxuwi.pdfIn PDF document text
- https://www.channeloflove.com/ckfinder/userfiles/files/munusobus.pdfIn PDF document text
- http://ace-pharm.com/upload/files/52612181324.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_off0000d6c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6C6 | 17328 bytes |
SHA-256: 5effabea067ffd0ef38025aa685b44ed0e67c17201cd914d442ca61a944c5b99 |
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font_01_sfnt_off000103aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103AA | 10672 bytes |
SHA-256: 6647e61615d8ad21f291f84d937845bf41c5405760bbce67c8a6e4190598843c |
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font_02_sfnt_off00011c16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C16 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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