MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous embedded URLs pointing to compromised websites and disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF link farm heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://garglob.ru/uplcv?utm_term=the+coddling+of+the+american+mind+pdf
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/blts5t68cvg7l6bj82lcqve6o4/20986132540.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/d219f47e459fefaf3783504075c8f41b/68883827499.pdf
- http://noithatnhapkhaugiasi.com/luutru/files/18285842240.pdf
- http://ipceurope.eu/assets/file/jejifikolasapatowawuza.pdf
- http://chiari-web.com/ckfinder/optimist/files/kofiwuladibaxeluz.pdf
- https://aimhc.com/userfiles/file/mewetipekiwasomejufet.pdf
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/po5k37rsd08197nla2ndgk4tsu/79895672836.pdf
- http://hzjksj.com/images/upload/File/53528049003.pdf
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/8b8f48047d511e05cecbff2699f828be/12602750682.pdf
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/trn1rpen39apqeg99lu5ro47kv/podiwutuwirifunufunubaki.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4e4d0274d---83928198065.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608fb4329f182---64081773925.pdf
- http://interwork.sk/userfiles/file/63758902369.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6ba092b9dc---77309108753.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607adba9a1c40---26204746461.pdf
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160b2dcdb9f5cb---doges.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc7c8f14e4---42962870175.pdf
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/5rtgl2jmpv23c7mhja3bn8e62k/pufaxugufenasi.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/c79d3085418541b9ba49462f70e46106/85294985682.pdf
- http://pnktools-th.org/ckfinder/userfiles/files/zamuzoxamorijepofisenep.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_off0000f422.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF422 | 16792 bytes |
font_01_sfnt_off00010c34.bin9c099ff60426e32c364b5ca7d6ab1cdc705ccd61a91c8678bcc08d4201645537 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C34 | 17220 bytes |
font_02_sfnt_off00013952.bin03d7f352a2609a164b567ee500b2ced5e815efc1f7192a0d0a816c261a478ddb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13952 | 10864 bytes |
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