MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to potentially compromised websites, suggesting it functions as a link farm or phishing lure. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, pointing to the exploitation of SEO techniques and compromised web infrastructure to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://daotaolaixesontay.com/uploads/file/57901869071.pdf
- http://daedukgs.com/admin/fckeditor/data/file/20210604025430.pdf
- http://www.corazondelsol.es/ckfinder/userfiles/files/44778535603.pdf
- http://shriadinathbank.com/uploads/70264433099.pdf
- https://thekolkatapackersmovers.com/ckfinder/userfiles/files/kagogezodozarak.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/4tff1dma1if61pafdv2ni9kl3e/97167323862.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607e395eeaeae---bigilinujepedojavovu.pdf
- https://sitpchemcieszyn.pl/_sitpchem/file/63572485310.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/78503b20556244c7789e7706275f4d8e/fovapisokonosijakojivete.pdf
- https://numen-wow.com/userfiles/cloud//files/fozejorobekegir.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16073e3b688342---12085131306.pdf
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/j49u72nmevror7fui8c0th8q59/molipasotawepufeg.pdf
- http://charivne.info/images/file/sigonorikapofivamiru.pdf
- http://alliance-ltd.com/userfiles/26317072993.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d19dc8d9641---puguresazasewilok.pdf
- http://10glazsikeyrosa.ru/file/vukuveru.pdf
- http://highendschmiede.de/highendfiles/file/fexiwonabugufutulu.pdf
- http://lucavolpicella.it/userfiles/files/73871092459.pdf
- http://standardamulet.com/files/files/vazagupufubagipazumosuz.pdf
- http://aisef.org/uploads/userfiles/file/file/nuxemuvibegaxozox.pdf
- https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079d6ceb9741---77058206996.pdf
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/20dd30e036d3439cedf2f235b443bdcd/zigorelawopipurexodidulus.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=virtual+villagers+4+food+after+berries
- 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_off00010a04.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A04 | 16792 bytes |
font_01_sfnt_off00012216.bin1f681b4ff8def0747449f19e8392e5aa881df97e4bdbacfe1f0c1200a1623b46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12216 | 18492 bytes |
font_02_sfnt_off00015288.bin8c64f1d287b592352ec42a3012a154c3a49b7c64ba867f44d470c5a9234b0125 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15288 | 10780 bytes |
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