MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised WordPress sites. The ML classifier strongly indicates maliciousness. The primary attack pattern observed is the use of a link farm to direct users to potentially malicious content hosted on compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/de7b8fbf3e57e57db9c04194372e30ec/takegefewapikiz.pdf In PDF document text
- http://thermcom.cz/userfiles/file/7740551411.pdfIn PDF document text
- https://quangcaonoithatgiahung.com/admin/webroot/upload/image/files/zojokuwurukapomefonuxuf.pdfIn PDF document text
- https://lawweb.info/mycms/admin/userfiles/file/mivafelunixex.pdfIn PDF document text
- http://umrllc.com/userfiles/files/foxawoginirivugibuxape.pdfIn PDF document text
- http://nessium.fr/userfiles/file/gulorujagobodojelilivalo.pdfIn PDF document text
- https://grandegroup.net/files/darixosumitar.pdfIn PDF document text
- http://mwcapital.net/ckfinder/userfiles/files/kajiwoj.pdfIn PDF document text
- https://tvsporedi.si/vsebina/57032200225.pdfIn PDF document text
- http://ikra-ekb.ru/files/fckeditor/file/pewixejoguwajoboxow.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142876cdd902---butupumosemuvagoboxotoja.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1615980af44e93---57353016081.pdfIn PDF document text
- http://punaide.com/userfiles/files/72182882246.pdfIn PDF document text
- http://3t-t.com/User_File/UpFile/file/20211012065322_ZGlwdXh1bGFqYXNvbm8=.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1615d35a0b228a---faranifumilukuzapafapiw.pdfIn PDF document text
- http://vectorma.ru/uploads/assets/file/xaloliludikutin.pdfIn PDF document text
- https://ezastupitelstvo.sk/editor_uploads/system/files/41999182868.pdfIn PDF document text
- https://aartipalette.com/userfiles/file/vopakujirodo.pdfIn PDF document text
- http://messtores.ca/fck_user_files/file/80174112995.pdfIn PDF document text
- http://sweepinstyle.com/userfiles/file/99214540227.pdfIn PDF document text
- https://soechi.net/userfiles/file/danazizimavizovujaxabufi.pdfIn PDF document text
- http://ctnphrae.com/ckfinder/userfiles/files/zokuzapobidixuxebo.pdfIn PDF document text
- http://area100impianti.it/userfiles/files/82293388727.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/5bhJmFgkeCE/uplcv?utm_term=cause+effect+structurePDF 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_off0000e754.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE754 | 10096 bytes |
SHA-256: 5d2870c6626e123f850545b7b1214d8936f9db110fc2708a8ce7583a16e3fb26 |
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font_01_sfnt_off0000fe05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE05 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011617.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11617 | 18504 bytes |
SHA-256: 2514e5e54797d63556f41ceaeea320c52388cee5481183f364831fb255ae9eb0 |
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