MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress sites and disposable hosting. These links likely serve as a distribution mechanism for phishing or malware, potentially exploiting vulnerabilities within the PDF reader.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://newat.ru/wp-content/plugins/super-forms/uploads/php/files/93523a55669d7b32e7c505724aafb290/dizetamipixawuruto.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc91841842---pesovenerup.pdf
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/fcc8gilu33ffd2hqbhu6nlhk45/19576723957.pdf
- https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/130ef752b2e29e145546ec83dbf352d7/gedexok.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759e673db78---mesoba.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c4363474ea7---42671866326.pdf
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609eec576ca3f---kokodidateburikepinewixev.pdf
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/sc0mo937lrpd43l2vh4tq59641/pakev.pdf
- https://a2designbg.com/userfiles/file/tedaxuwonami.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9fe88d5d1---nowezopotabeko.pdf
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/v7ofgmr6tevtvrkvkg4g4sesee/84474033326.pdf
- https://balajihighfields.in/userfiles/file/11973752687.pdf
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792ea58bc2b---83189368216.pdf
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/9c2aa4637f794ba0b30bbe482a071cc4/jelerinobusipasuvutiguli.pdf
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/4f11b63eff305c88d2c7a2cc569f9d56/fodegolomezigurixojoxoboz.pdf
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/a8e8e5f335bac8029499ed2b6cd654ac/66740250979.pdf
- http://baugeraeteverleih.de/benutzerdateien/japimesolegewe.pdf
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160d2027f2de76---97194138019.pdf
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/0f0dfe038bfebb0efaa04c9b35b3a74c/26508696122.pdf
- http://davisfolk.net/clients/1/1f/1f1070e31f35868a9a13f38ee7dc887f/File/53576384731.pdf
- https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/f3b0ad38609d2c540604cd37f14ff019/85335830451.pdf
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/761580542d3f6cb73eb3ab710de13aa8/54001896713.pdf
- http://bjhtdszdh.com/v15/Upload/file/2021615347302113.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607b17b839415---vumolowudoviwajupusu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=to+feed+in+braids
- 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_off0000f91b.bin0051bf356f79a17703bdfe8f072d2c756a0d5951f26750baa34b4d3107b60c8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF91B | 10304 bytes |
font_01_sfnt_off00011066.bindb4289d0fc4aa4093e36d250731be25287e0b6e248c125926694a6db04300602 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11066 | 16732 bytes |
font_02_sfnt_off00013b9a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B9A | 16792 bytes |
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