MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that function as a link farm, directing users to potentially compromised websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of multiple external URIs indicate a deliberate attempt to drive traffic to external resources. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 https://ketchas.ru/uplcv?utm_term=perariyathavar+malayalam+movie+watch+online+free
- https://its-bulgaria.bg/files/file/86012812996.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613e841497141---68089141279.pdf
- http://mansiya.com/uploadfile/files/jowatomujavukusa.pdf
- http://crmrealty360degree.in/ci/userfiles/files/95486334024.pdf
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/161392ebf3fd11---sarulimopewofa.pdf
- https://wineart.online/userfiles/file/31584613412.pdf
- https://bbu.vn/Images_upload/files/15727517680.pdf
- https://eqonetech.com/upload/userfiles/files/65732371.pdf
- https://sarvodayasamaj.uk/upload/files/dudevi.pdf
- http://consoles-a-gagner.com/fckeditor/userfiles/file/xezaluranelitizigimuvokob.pdf
- https://terracell.pt/images/file/93202228005.pdf
- http://orgue-chantepie.info/FCKeditor/upload/file/39553051509.pdf
- https://tbsva.org/Upload/files/20210919160117.pdf
- http://cheapmarkt.com/userfiles/file/30275392487.pdf
- https://paulogomeslda.com/userfiles/file/rutomufowafukawalan.pdf
- https://xn--lenachatka-57b.pl/uploaded/file/57660530271.pdf
- https://oldd.adventurenetbg.com/userfiles/file/taratifigofa.pdf
- http://kliknetezde.cz/admin/obrazky/file/lokowopokavesaru.pdf
- https://doucetplasticsurgery.com/ckfinder/userfiles/files/67100056537.pdf
- http://gibisch.info/files/files/vejidawugiwaxowoj.pdf
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e0fc2dd2aa---49695369751.pdf
- http://sandlnae.com/data/editor/file/13384896264.pdf
- http://justsayhi365.com/uploads/file/julepatosibimowafez.pdf
- http://aqbnb.com/uploadfile/file/80229331559.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_off0000d3e0.bin161031e4622f1a2bf3a2870b7ac5bb8b6204533cef0bc045a15e7d2c324f650f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3E0 | 16968 bytes |
font_01_sfnt_off0000ffa8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFA8 | 16792 bytes |
font_02_sfnt_off000117bf.binbe97cc5329e579eadef3ba106ad51a7f70f508251bb3502c3dd4b4dae2debda7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117BF | 10700 bytes |
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