MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm. The ML classifier strongly flagged this PDF as malicious. The primary purpose appears to be redirecting users to potentially harmful content or facilitating further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://allytemp.ru/uplcv?utm_term=android+imageview+set+image+xml PDF link annotation
- http://jamesandsons.ca/userfiles/file/xewuwexibigudubikisabon.pdfIn PDF document text
- http://erbaytag.com/resimler/files/puvov.pdfIn PDF document text
- http://maszyny.pl/userfiles/file/lifotesopudas.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613615f9201ed---97123470885.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/161350c009cdd3---37014516710.pdfIn PDF document text
- https://erdenet.mn/userfiles/file/36821078002.pdfIn PDF document text
- http://kozhencherrymtc.org/userfiles/file/borozasiledozawolil.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16134506041efe---33245102021.pdfIn PDF document text
- https://chatham-ebenezer.ckdomain.com/uploads/userfiles/files/64607163984.pdfIn PDF document text
- http://holland-ex.com/images/blog/file/72677392165.pdfIn PDF document text
- https://kiofruits.com/admin/uploads/files/3440338362.pdfIn PDF document text
- https://propertiproperty.com/Uploads/userfiles/files/39545443414.pdfIn PDF document text
- https://brothers-music.com/ckfinder/userfiles/files/garozumokonovinekufupedof.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/161306f562a7af---wafidotasotafoxiwokitovur.pdfIn PDF document text
- http://mynotary.ca/sites/all/sites/mynotary.ca/files/migokugijowimize.pdfIn PDF document text
- http://coimbra.hu/uploads/ckfinder/userfiles/files/65422388915.pdfIn PDF document text
- https://ajitcoatings.com/uploads/48991339454.pdfIn PDF document text
- http://kimsanghun.com/upload/userfiles/file/2021972056384205.pdfIn PDF document text
- http://silver.jo/ckfinder/blanc/files/62171631662.pdfIn PDF document text
- http://testplanet.nl/uploads/files/14999310074.pdfIn PDF document text
- http://shbaicun.com/userfiles/file/2021090208143273499.pdfIn PDF document text
- http://bapassamarinda.id/assets/ckfinder/core/connector/php/uploads/files/78686804851.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139380acfa8b---32644350542.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/f39f40839245e31558555f47a0cadfe4/nuvaziditologapigasevaga.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_off00015d9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D9A | 18808 bytes |
SHA-256: 896ab07b1c95e9b86aa2d2dbd7d689795343c572b3d44c8d65dd8d42eec537e2 |
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font_01_sfnt_off00018eba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18EBA | 10828 bytes |
SHA-256: a9738f3e7a63d5e3b60d5d93c215a8f97bb15b6d886b16584701f0a2324fbdc3 |
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font_02_sfnt_off0001a790.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A790 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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