MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the presence of a link farm suggests an attempt to lead users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://www.ecostroyservis.ru/File/dopum.pdf In PDF document text
- http://sutipatika.hu/userfiles/files/5124349972.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161437fab0eac2---58920005700.pdfIn PDF document text
- https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/towejoguvigebirose.pdfIn PDF document text
- http://ronaldtan.nl/images/photo/32274413785.pdfIn PDF document text
- http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/77881980156.pdfIn PDF document text
- http://reliancefla.com/admin/images/file/gilobasitupalupimexoxuwi.pdfIn PDF document text
- http://tianlanlawyer.com/filespath/files/20210921235446.pdfIn PDF document text
- https://k31szmq42-nu28.com/contents/files/60805337646.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147cd07b4a02---waroderabowetok.pdfIn PDF document text
- http://startmatbaa.com/userfiles/file/datojimaxepufo.pdfIn PDF document text
- http://giftboxvietthuy.com/upload/ck/files/15327627728.pdfIn PDF document text
- https://online-wums.com/files/files/89148818233.pdfIn PDF document text
- http://digifast.cz/userfiles/nixufopuvojezodofizozetef.pdfIn PDF document text
- https://divanich96.ru/admin/ckfinder/userfiles/files/vanidenid.pdfIn PDF document text
- http://www.ks-klinika.ru/ckfinder/userfiles/files/xekovepiguvixibab.pdfIn PDF document text
- http://cungcapluonech.com/upload/files/73839699035.pdfIn PDF document text
- https://naves.cz/res/file/55876979063.pdfIn PDF document text
- http://bmfjhjk.friend-match.com/upload/files/9727635018.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161471c57c193c---bedutinivefejoworivejisa.pdfIn PDF document text
- https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/dekudapa.pdfIn PDF document text
- http://herningbadintra.dk/app/webroot/upload/files/1372629336.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/1d84df6f048cbcce0f542bbd73b95b0a/52862768500.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16146112dc0b8f---roladetaladedebi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=game+store+apkPDF link annotation
- 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_off0000b78f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB78F | 19664 bytes |
SHA-256: d52f6c9edc1089b99103d1e3b832cd91d733da0ae96c8163191457fd5638454f |
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font_01_sfnt_off0000ea5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA5E | 10304 bytes |
SHA-256: d59a3f385df0669c31d2bc257b65a4691aa95f2e1d7a2b49598d795433bf7453 |
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font_02_sfnt_off000101af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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