MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, forming a link farm. This suggests an attempt to lure users to malicious content or phishing pages, likely delivered as a spearphishing attachment. The ML classifier strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/sosuxelimegazodinopux.pdf
- https://betsin.org/userfiles/files/wuxetope.pdf
- https://serviceelectric.ca/userfiles/file/82754057350.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/ekobg0gnhi8bbcn20o9qiradn1/38667438063.pdf
- https://biocenfis.es/uploads/assets/file/vijaziteto.pdf
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/c654186865c4ca4488c3d64c7fb95caf/fopejorojudupodukuna.pdf
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/f564a0a9d35b0e16d95e84a73eaa3b2b/rariruzesovebotu.pdf
- https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/29196375336.pdf
- http://sweethomedelivery.com/ckeditor/ckfinder/core/connector/php/uploads/files/lezaliraxixaxekavijat.pdf
- http://tupnate.com/ckfinder/userfiles/files/xalifurubowitesunilesax.pdf
- http://moveworldtogether.com/datas/files/73849125033.pdf
- http://x-site.by/upload/editor/files/pelijurujebikowul.pdf
- https://mangonebike.com/uploads/file/63253851788.pdf
- http://noithatmyhome.com/img/files/doxesuri.pdf
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/161467a761ff63---rekevafudowedurevigojalul.pdf
- http://ecohouse-lab.com/userfiles/file/65630746299.pdf
- https://haltia.mx/sii/ckfinder/userfiles/files/44175166209.pdf
- http://hourinkan.net/js/upload/files/52632216384.pdf
- https://clubsecurite.fr/webroot/upload/files/93315686697.pdf
- https://inprovitcaribe.com/ckfinder/userfiles/files/46805059261.pdf
- http://vitalbafitnessclub.eu/userfiles/files/fazebapogusixapofi.pdf
- http://pogotowienaukowe.com/Upload/file/merejusosokebovuzap.pdf
- https://budapestpainter.hu/ckfinder/userfiles/files/37122398054.pdf
- https://olboihorgaszto.hu/editor_up2/95036896508.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/4023e5ce8a5255862384862f2caacbab/pewivodazavos.pdf
- http://kennycojewelry.com/userfiles/files/202109/1631200654.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=granny+tube+net
- 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_off0000b47a.bin14c80b4f81820bb648eeb778d93d0d42a5b619e0695fad2815fe98069284d88d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB47A | 10068 bytes |
font_01_sfnt_off0000cb11.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB11 | 16792 bytes |
font_02_sfnt_off0000e323.binca3a3591a871c3002e38817311983c8527d9ad849423ccea99b0ad0bcd16fb79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE323 | 16820 bytes |
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