MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains numerous embedded URLs that form a link farm, pointing to compromised WordPress uploads and disposable hosting. These links likely serve as a lure to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://laborke.ru/uplcv?utm_term=borderlands+the+pre+sequel+to+arms+choose+pla+member
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/ea0283d2991d991c7b1442d0192a977e/vuvowubiwotopasa.pdf
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f02327e99---99000547359.pdf
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160809e5f262f4---juviwe.pdf
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ea1396e40---wosomeximat.pdf
- https://artenika.pl/fck/file/fojobe.pdf
- http://camonetinternational.com/files/file/36895504837.pdf
- https://acgroupenterprise.com/userfiles/file/84450973176.pdf
- https://senhewood.com/d/files/69904988553.pdf
- http://robwalker.net/fckupload/file/31333656388.pdf
- https://hiddencliff.kr/FileData/ckfinder/files/20210623_F63EC5CE46A69636.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090316389b28---buzamupebiwemisaxilifik.pdf
- http://nitexprofi.cz/userfiles/file/jusujapim.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/3rtlrh4lp4apk7o2mhvdou33qk/vivoxomewuvikagu.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5df0517b25---murudulutoni.pdf
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160aab7e1bf26d---69440787616.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd238d7921---28291384970.pdf
- https://argentinaproduct.com/ckfinder/userfiles/files/sogumuwatemi.pdf
- http://bonfiremadigan.com/uploads/fckeditor/file/bigexagoduvafinulosisipel.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba5ae2a610d---powofoloxon.pdf
- http://adbuffalony.com/uploads/files/86186806745.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160c2c1e761a99---tazifuvikiravefusebedij.pdf
- http://aptchasers.com/FCKeditor/userfiles/file/61954371715.pdf
- http://cambresisemploi.fr/ckfinder/userfiles/files/3203233136.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_off0000c131.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC131 | 16792 bytes |
font_01_sfnt_off0000d948.binc89384287558e7c770bdd9d5e5a8bec287aa56d19ac3cdba1d9de005e2315072 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD948 | 11124 bytes |
font_02_sfnt_off0000f2a8.bin5fe138334ab5f70de45627026294b1df6a08cc7f2fec5212bf846bf5ad53e191 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2A8 | 16244 bytes |
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