MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs pointing to compromised CMS uploads and disposable hosting domains. The ML classifier strongly indicated maliciousness, and the heuristic firings suggest this PDF is part of a link farm designed to manipulate search engine results or redirect users to malicious sites. No scripts were extracted, limiting the analysis of direct execution vectors.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://garglob.ru/uplcv?utm_term=the+production+possibilities+curve+illustrates+the+basic+principle+that PDF link annotation
- http://artanuji.ge/admin/ckeditor/ckfinder/userfiles/files/rikuvazesatajuwufefak.pdfIn PDF document text
- http://fuzoku-kyujin.jp/ckfinder/userfiles/files/liteteveturisobinanogiga.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160720a83a1f59---rotip.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607726f95df54---32799731215.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/dns6g28pggqt3vdhs1pu26jklo/nakomuburopepi.pdfIn PDF document text
- https://panegovernance.com/ourprojects/chowki/UserFiles/file/xibowupusofilirumuzijul.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/634vcp6nf64q3gm22g7fo3c05d/nimofiburuxukolimiluzuj.pdfIn PDF document text
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/v6l1osplh8kfaenl0dldl2kk8f/dedosevufefafujobe.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607444137989c---vugibakefewe.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/7aa65260949a78267233add3ebe9f076/fanefosemetozisasijij.pdfIn PDF document text
- http://navigator-nsk.ru/userfiles/file/potududupesidenabinen.pdfIn PDF document text
- http://wajl.net/img/file/202161542434.pdfIn PDF document text
- http://mwcapital.net//ckfinder/userfiles/files/20376898264.pdfIn PDF document text
- https://mundolibre.cl/uploads/userfiles/files/xakazikavefudugis.pdfIn PDF document text
- http://guanzhuli.com/userfiles/file/fiviba.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f09b67fad---65052964158.pdfIn PDF document text
- http://adice-area.com/pictures/files/14164433589.pdfIn PDF document text
- https://semineebrasov.ro/printuri-fi/files/47408917365.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/2f3d2b2c90f83cced1b4e327e61191be/fodopudunojogaxetu.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f4970df107---24057307030.pdfIn PDF document text
- https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/33970384926.pdfIn PDF document text
- http://eastmoorclassof1970.com/clients/4/43/4343e427eb1b0a0668350338a4d6b623/File/18587933790.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/9343hiepuq3qjkplbeakg1a0v7/vajupeludizubuwobaxose.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_off0000e029.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE029 | 16432 bytes |
SHA-256: 4d383938b40097771db7a48b82050b6a49aa014b4477389c39cf3fb06ff7baa4 |
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font_01_sfnt_off00010ab9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AB9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000122d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122D0 | 10880 bytes |
SHA-256: 99d7d7ddf690e1b2a802ef68e167bee51df98064a699226c39485f3c6bf379fb |
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