MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely serve as a link farm to redirect users to phishing pages or download further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://nomylo.ru/uplcv?utm_term=manifesting+an+ex+back+success+stories
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160784f45bc0c7---94505658872.pdf
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/kildpc0ghug5dgcu1ehl1d7hl0/zamivuzozofivotazuladolo.pdf
- http://archi1919.com/smlclub-files/file/95204720083.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/uk688dqi4k27025rcsvdthu8j6/bosukikutapositit.pdf
- https://pacpartner.net/images_client//imagesfile/nisugeloniv.pdf
- http://childconnect.com/swi/fckfiles//file/89348964281.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c58aba797---duzag.pdf
- http://ourhkg.com/UPFILE/userfiles/files/tetategigarike.pdf
- http://skncn.com/u/files/perawenetupigixamolore.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a859b0a08aa---2819677502.pdf
- http://arniestribu.com/campannas/file/rugafolidiwutixiwatezodow.pdf
- https://ludifrance.fr/userfiles/file/78945733905.pdf
- https://takipcisec.com/calisma2/files/uploads/2844728007.pdf
- http://dianacb.cz/userfiles/file/loxujitusiverusutuzosox.pdf
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/df40e9ae1b42decddc75b73176d1a96b/bezemidux.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bed59b7da8f---33350015382.pdf
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/0vgk9cgaoso47of33olfo2kf6c/rujifajimiwexuwafenus.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/064267978e251b133b6ccd8dbc002e6f/20504124109.pdf
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/6616fb32fb63a5e1a0daf4ca5d426e4b/82431469370.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160c1132807b37---xasibizamaki.pdf
- http://banphimchuot.com/userfiles/file/xosebogozirokixabapabam.pdf
- 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_off0000e5b7.bin005d55288519c97f4a79b7e53a3fcd2d33fd03832f3ba426090c0294278560a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5B7 | 17128 bytes |
font_01_sfnt_off0001126c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1126C | 16792 bytes |
font_02_sfnt_off00012a83.bin717d0ac44bfedd87f980b480d81e2c299b00a12e30317769aac171cf33adf96c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A83 | 10892 bytes |
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