MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF document contains a link farm pointing to numerous compromised WordPress sites, which in turn host other PDF files. This suggests a multi-stage distribution or phishing campaign. The ML classifier strongly indicated maliciousness, and the structure of the PDF points towards an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/25278b5c0e81517cd7fc1cc257f99698/keriwugetibometujuxobe.pdf
- https://himalayanwanderer.com/himalayan/userfiles/files/56369983282.pdf
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607216cd4e77b---30162271112.pdf
- http://dishandspoonproductions.com/ckfinder/userfiles/files/ziwip.pdf
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d2ca0fca5---12752238720.pdf
- https://luminex.pl/upload/file/23017170501.pdf
- http://kimyasaldubeller.com/upload/ckfinder/files/96798780816.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/4ht5622vh1rnrbg372afoajk09/79408502886.pdf
- http://accessprecision.com/userfiles/file/52550055153.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a82794e3b4d---64844859153.pdf
- https://bioesteticaonline.it/file/kirumekagajibefatopanofi.pdf
- http://bbu.vn/Images_upload/files/nunafuz.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16073d8485d0d9---fawomakifawuxutemukuxob.pdf
- https://eccdc.org/application/webroot/userfiles/file/70955284352.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a926e0c7815---mudite.pdf
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/befe97aa47a485cea464c67c90760c3e/xigudedagagizusizemavuw.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16099bba6a4dbb---80971775421.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8999991f6---nifefani.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/idj1275bi7gmridp1bsk0llf77/81492445588.pdf
- https://www.vbclighting.com/wp-content/plugins/super-forms/uploads/php/files/eccd1a7768c1b259e85dccee16cc22db/42987671990.pdf
- http://septumdent.com/img/userfiles/files/60558700027.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=reflection+across+y+axis+equation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e826.bin3911eedd00820ffc19437b4263d9a7f8e47377371bc1bb84f03c0957f717fe16 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE826 | 18488 bytes |
font_01_sfnt_off0001192e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1192E | 16792 bytes |
font_02_sfnt_off00013145.bin2070b1da6ee2673f073549e0942a0fa3e9860e99b767cb197dd4f81d10f6448a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13145 | 10836 bytes |
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