MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs pointing to compromised WordPress upload directories and other disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The primary function appears to be redirecting users to potentially malicious content hosted on these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3231545b69---50773764980.pdf
- http://wxeina.com/userfiles/files/lanepixas.pdf
- https://autonoleggioassereto.com/file/mepesirageratogikedixuwe.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/2743971972ac7d63216fbd4b880aabe3/92862249034.pdf
- http://wxhsbl.com/ckfinder/userfiles/files/20210708_112100.pdf
- http://zhengfutz.com/v15/Upload/file/20216272258206123.pdf
- http://patp1ryb.ru/media/file/64375671341.pdf
- http://garantc.ru/userfiles/file/reporivanu.pdf
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/54e6a10d6df890fae6096dc683ba3818/58519958876.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b93da97a5af---lolinepubag.pdf
- https://brothers-music.com/ckfinder/userfiles/files/somujubewebu.pdf
- https://www.neosynapses.com/wp-content/plugins/super-forms/uploads/php/files/2537m4rgfn0ekq0b05tff0l52i/11199506555.pdf
- https://susta.vn/userfiles/file/69457913086.pdf
- https://cgeminfos.ma/upload/file/50575773914.pdf
- https://hmanagement.net/userfiles/file/kotololuzejexeta.pdf
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/36hladc9a91i8f6ck1nd8euag6/46398656412.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/16091cc661b5fd---kobojikavowezadaj.pdf
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1610a1bf5599bb---22316567188.pdf
- http://daydala.com/userfiles/file/19441097107.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160881b541c9e3---35649188063.pdf
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/29os0uhuvpuke8u3nbbj6436ig/xasagigevavofogivapakoki.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af2056dbc4d---kiwakem.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/4ee0740b0a07aaa87df7a85d4c83e47b/66336325018.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=the+incredible+adventures+of+van+helsing+ps4+gameplay
- 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_off0000fc1d.bin4dec9f652c5be9bcba2eef3e97c65a906b7be6590f749555d21800a924cabad9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC1D | 17780 bytes |
font_01_sfnt_off00012ac6.bin518914bd57350f979b700dffa458597b1e80d1cc7c4856bcb3be44f0b841a2b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AC6 | 11528 bytes |
font_02_sfnt_off00014590.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14590 | 16792 bytes |
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