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, many of which point to compromised WordPress sites or disposable domains, indicating a link farm or redirection scheme. The ML classifier strongly flagged this PDF as malicious, and the heuristic firings support the presence of a link farm designed to direct users to external content. No scripts were extracted from this sample.
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 https://uppersanduskyrotary.com/cms/files/File/99297850694.pdf In PDF document text
- http://cabinet-blin.fr/ressource/site-image/files/67116439998.pdfIn PDF document text
- https://atvatextile.com/upload/ckfinder/files/35706707129.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607384f33305d---vuxibonedapi.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160828310b8a46---tuniwidutomisejiv.pdfIn PDF document text
- http://champaigncursillo.com/userfiles/file/45375225664.pdfIn PDF document text
- https://akproauto.net/nbloom/fckuploads/file/xuvebem.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dfff9c5d06---93923344431.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/1iu6l6fpg67vb8i9u558krnrpq/33317638808.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16073e959dc646---83557287757.pdfIn PDF document text
- http://agriturismoilnoceto.com/userfiles/files/mufunitabipe.pdfIn PDF document text
- https://onlineadda.net/ckfinder/userfiles/files/wivovujutusox.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d26fdd34b23b16e784219c961851cf66/91945614724.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/73327280870.pdfIn PDF document text
- https://pergamine.com/ckfinder/userfiles/files/41912939519.pdfIn PDF document text
- http://debsluxe.com/clients/1/17/174397649ed9f07baa8f9d9f48c72a4d/File/tivisofesazikugodulono.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d030817e7b6---kunozozorixako.pdfIn PDF document text
- http://eko-inwest.eu/upload/file/kewipepasodik.pdfIn PDF document text
- https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/8oq7lvlq55n0d0nbq76fctkg8g/61035822149.pdfIn PDF document text
- http://oembag.com/uploads/files/202109031154541200.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607309a8d9a35---79628021249.pdfIn PDF document text
- https://topclassgardening.nl/images/file/jofuwujasatu.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/ccbdgrpumfqnl6eu77u54gjp41/jevurakukiretane.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/f79d4632fdf0609c93580a89043a20ba/jokizofemuzifokisene.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=print+double+sided+pdf+windows+10PDF link annotation
- https://lapdonline.org/file/71246671008.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_off0000e13b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE13B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f94d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF94D | 17688 bytes |
SHA-256: edaa77992551ce03b5a4909e22ce5a69cfdaaf1f9db8de8ea9ccd135213f21d6 |
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font_02_sfnt_off000126cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126CC | 10828 bytes |
SHA-256: 6085318534572697b2c226a6bb1be368acd4e1c224b796c3e3e1e7070bb19cb6 |
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