MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites. The ML classifier strongly indicated maliciousness, and the structure suggests a link farm designed to lure users to external sites. No scripts were extracted, but the primary attack pattern involves directing users to potentially malicious content via embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
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://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/16083727982026---bonipavavi.pdf In PDF document text
- http://martom24.pl/martom/userfiles/file/kalasetut.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e52b430cc3---51113291133.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072e4545fc45---37754003089.pdfIn PDF document text
- https://fotokeramika.bg/userfiles/file/51020658364.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160916a0403187---85902738971.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/42d34a6bcd329501511194e1767a6f93/89905759674.pdfIn PDF document text
- http://sushrutproctology.org/ckfinder/userfiles/files/nomopikebajom.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a37ca17b3c5---90128272272.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/16075fe1ae1fbb---batirumazexoliz.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/1921b4e0097a3884a62c4d493e54df97/25869965211.pdfIn PDF document text
- http://vhktn.at/images/content/files/13893464683.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/b632378a6ee644c805b9f3897094ad4e/9161900647.pdfIn PDF document text
- http://nissanotogovap.net/uploads/images/files/xamowap.pdfIn PDF document text
- http://digivideos.net/ckfinder/userfiles/files/zitawus.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2f0a6f840---51565634577.pdfIn PDF document text
- https://cubic.is/userfiles/file/wofek.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/junaravipixatejepokotev.pdfIn PDF document text
- http://bet-balance.com/userfiles/file/58313512567.pdfIn PDF document text
- http://plkorea77.com/ckupload/files/bejudojum.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7bc3dbf85f---62047197761.pdfIn PDF document text
- http://artin-intranet.com/ckupload/files/zivag.pdfIn PDF document text
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/8b387fbc492eda9435e58ae5e53f6c58/vusovelavunedefumodojis.pdfIn PDF document text
- http://www.ocptecnology.com/admin/uploaded/fck/file/88262281709.pdfIn PDF document text
- http://skolicka.eu/foto/images/file/46364346038.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=articulos+definidos+en+singular+worksheet+answersPDF 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_off00011ff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FF5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013807.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13807 | 19544 bytes |
SHA-256: ac8065fd2c9c3e41a6472eaebf146946ed68460a1ff4dc6731820a3f5a908a35 |
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font_02_sfnt_off0001691b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1691B | 11016 bytes |
SHA-256: eb3ed8a06bddd27e0255a16399c38b2700e73042c5026ca45939cb2ff00344d8 |
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