MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains a link farm pointing to multiple domains, many of which are associated with compromised CMS uploads, suggesting an attempt to distribute further malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://lowry-averyreunion.com/clients/c/c0/c0e4e7922159a76f956c19110b7bfeb7/File/kitawadija.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/02cf45cf6e6dbcff6ef6155b36a87a48/sisibujiforodeteda.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bca11ebf88f---makalazokujotozabewe.pdf
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/jbrtapujg4gqpo332c8qs96vft/49256310001.pdf
- http://sjar-tech.com/uploadfile/file///2021061322324556.pdf
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608c4b0bdc8d1---67407486900.pdf
- http://reclameindex.nl/images/uploads/42810058566.pdf
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/e9fef4bc2e394fd12982b972fccc3624/bojurexasolusutus.pdf
- https://tylbm.com/Upload/ckeditor/files/befuf.pdf
- https://tavcam.com/upload/ckfinder/files/37517205931.pdf
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/e90a21d3f4f658a6a5e49d1b2b8919ea/34566381557.pdf
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/savut.pdf
- http://asfalon.com/__files/file/xowilinivujopefebijenuf.pdf
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607a43d122237---puwarabakovuxegulezejizo.pdf
- https://readandenjoy.ae/userfiles/files/67052574250.pdf
- http://pincailight.com/zk/UploadFile/file/2021061700552973499.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2a3042a1c3---18715858120.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/855499224d8f6e9bc6e3a06e0207da37/feloluzil.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/620321434bcf5202d7144de4106c9995/3873153240.pdf
- http://www.sphotobooth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160756ab547a5a---14979271503.pdf
- http://rcot.by/pics/files/58487951449.pdf
- http://lumieretvie.com/userfiles/file/46502683919.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=2nd+year+physics+short+questions+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_off00012a15.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A15 | 16792 bytes |
font_01_sfnt_off00014227.binb30157f3d6fadf0a58f9c7e3049228832917c7aaf96f3339cfab6369f0e5f593 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14227 | 20116 bytes |
font_02_sfnt_off00017697.bin51300df011f14620b4a8f09ab9e95a6113080fe25c76e547d93ab7873388bb94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17697 | 11052 bytes |
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