MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier strongly indicated maliciousness, and multiple heuristics identified the PDF as a link farm pointing to compromised WordPress sites and disposable hosting. The embedded URLs, such as 'https://pistant.ru/uplcv?utm_term=can+you+install+extensions+on+chrome+mobile', are likely used to redirect users to malicious content or phishing pages. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document designed for user redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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://pistant.ru/uplcv?utm_term=can+you+install+extensions+on+chrome+mobile PDF link annotation
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/4ebc7b2f182e0a35d84106f11fc7aa35/retutiduroxobolife.pdfIn PDF document text
- https://galedo.cz/www/data/cms_files/files/monizosuzitiwemamebavolo.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/sqbi62mh0u73d49iojo5qi8ps5/9119769375.pdfIn PDF document text
- http://kryotherapie.net/neu/userfiles/file/13310374606.pdfIn PDF document text
- http://luisacortesearchitetto.it/userfiles/files/wapobadezu.pdfIn PDF document text
- http://skncn.com/u/files/wovabamanakoxotujerul.pdfIn PDF document text
- http://xn--h49al71atridzo.com/userData/board/file/wanuxe.pdfIn PDF document text
- https://kimansion.com/uploads/file/lolor.pdfIn PDF document text
- http://ankaser.com/userfiles/file/sokupirujepavobenu.pdfIn PDF document text
- http://terrietanaka.com/library/files/lukexijebor.pdfIn PDF document text
- http://olympiad-bigben.ru/ckfinder/userfiles/files/kodufof.pdfIn PDF document text
- https://tedesco.pl/userfiles/file/14099551873.pdfIn PDF document text
- https://khanoomhoteli.com/basefile/khanoomhotelicom/files/vojoximab.pdfIn PDF document text
- http://fipjp.com/userfiles/file/fimafat.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5f1eea14f---fizapinogi.pdfIn PDF document text
- https://sreekanakananda.com/ckfinder/userfiles/files/kusosusalifejorukuka.pdfIn PDF document text
- http://commsoft.nu/demo/ktb/wsmbilder/files/64793184069.pdfIn PDF document text
- https://sukaunited4d.vip/contents/files/6981436567.pdfIn PDF document text
- http://smart.sut.ac.th/tsme/src/lib/ckfinder/userfiles/files/26243859288.pdfIn PDF document text
- http://jubileejec.com/userfiles/files/28776258077.pdfIn PDF document text
- http://techsystem.gr/data/uploads/ckeditor/files/37574566804.pdfIn PDF document text
- https://redac.ch/upload/nuwixojewovum.pdfIn PDF document text
- http://fs-select.com/images/blog/file/rabopunogukizijomevabif.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/7r2lu5c3nvpu05muemrkfrlfr6/53718985143.pdfIn PDF document text
- https://damiel.eu/userfiles/file/jututumozedo.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_off0000dc7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC7E | 17624 bytes |
SHA-256: d588c14e58f0bde25bace310b18605c88044782d95433ca6f8d64a4af351e82b |
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font_01_sfnt_off00010a01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A01 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012218.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12218 | 10980 bytes |
SHA-256: 8f1c7bf3140022216127412a74996cdf076f6fd2c73ccaf891a0dca24df42be6 |
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