MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites. The ML classifier strongly indicated maliciousness, and the heuristic firings suggest this PDF is a link farm designed to direct users to potentially malicious content. No scripts were extracted, and the document body was unreadable, limiting further analysis of specific user lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://bhhangkhong.com/upload/images/files/zebubakesagu.pdf In PDF document text
- http://ck-kutnahora.cz/gais/image/file/wugituvaguwej.pdfIn PDF document text
- http://lukasikgroup.pl/Image/files/29935650145.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6a7a3a94a---tipojafupuviwede.pdfIn PDF document text
- http://moscowprice.com/content/xuploadimages/file/bunonazatanapijosivezixe.pdfIn PDF document text
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/eaf4f979eeb258f0ebf364ff412990cd/muwemutokuxuj.pdfIn PDF document text
- https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/3c8cc0d4cdef7b2135978ceea877e6eb/gojolipemoto.pdfIn PDF document text
- http://detskaoptika.cz/ckfinder/userfiles/files/35900911910.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4d26893b8---pivutokisepored.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/xurefukilurebegowaju.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/1analt4n8akarb849hqanfutib/64325396896.pdfIn PDF document text
- https://cambodiaangkorhomestay.com/userfiles/file/mudim.pdfIn PDF document text
- http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/b8551fd9b443ea67d02960281e5bd1f6/97329068959.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160908377b6b5a---4000190373.pdfIn PDF document text
- http://on-video.com/movies/movie_data/file/rekinowisinebovodaso.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6cbee1dea2---8739188724.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/7f05afbe2255af1a03e6b33008797bc5/31827018838.pdfIn PDF document text
- https://llsindia.in/FCKeditor/file/31661103361.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b50c1bce93b---88970110362.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160764e221da40---nowejirafarilenewane.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a45f19c9c2f---3549887883.pdfIn PDF document text
- https://cualuoihoanmy.com/uploads/userfiles/file/38963317705.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/d91d126a7718c8d3b10e0b9c68b63e8f/43211663156.pdfIn PDF document text
- http://b-solutions.net/userfiles/file/38522927029.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=is+petted+a+wordPDF 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_off0000f739.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF739 | 17272 bytes |
SHA-256: 7c6863cac53c28ab6f085d3ffdc7cf4f4260468bd8e35955e984ac7861dceb33 |
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font_01_sfnt_off00012456.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12456 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013c6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C6D | 10180 bytes |
SHA-256: 22a7081c675ea09bb1e56fb2cb45a4a9f86e666186590d72a5e89f0d41172c0f |
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