MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to potentially compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and the overall structure point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 http://leruichem.com/upload/files/21376143822.pdf In PDF document text
- https://muzeumkonstancina.pl/attachments/file/buduzagapux.pdfIn PDF document text
- https://knurussian.kr/DATA/upload/files/202109081855448860.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/f9fb924ce56a24767e4ef83f3390a942/50905240616.pdfIn PDF document text
- http://pagyesa.org/userfiles/file/20210907230637.pdfIn PDF document text
- http://leguido.net/files/31626484094.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/qo2k7bg2fvak8rncn6su652ut8/5272559846.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/utrqei3usu6gqdjrbe3jroqbq3/30272306867.pdfIn PDF document text
- http://aroma-es.site/yamituki-n/uploads/files/35495038019.pdfIn PDF document text
- http://optimaglobal.net/ckupload/files/jodafopofalunojitofure.pdfIn PDF document text
- http://jiachuankeji.com/upload_fck/file/2021-9-8/20210908091406254308.pdfIn PDF document text
- http://irina-beha.com/ckfinder/userfiles/files/9382119759.pdfIn PDF document text
- http://teraval.cz/res/file/29951498794.pdfIn PDF document text
- http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/61619574963.pdfIn PDF document text
- http://romangruszecki.com/uploaded/file/galogevukazewasomaxepavo.pdfIn PDF document text
- http://bishnutoursandtravels.in/userfiles/file/fufemovuxinojutebob.pdfIn PDF document text
- http://bodybybodyology.com/ckfinder/userfiles/files/vobojebevu.pdfIn PDF document text
- http://videocycling.info/files/file/92646658544.pdfIn PDF document text
- http://thebookmarkcafe.com/uploads/files/gipasuriko.pdfIn PDF document text
- https://mttrasportisrl.it/dati/upload/file/venebezobinofamawepuj.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614002d03e798---58236291864.pdfIn PDF document text
- http://arenabilardo.com/data/_files/11382784921.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=velocity+slow+mo+apkPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000af04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c71b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC71B | 10592 bytes |
SHA-256: 45bb6538fcb2ac5d9a56b598f42abf59c9ef4e84f6c1e8e63600307d17a3a8f2 |
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font_02_sfnt_off0000df6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF6E | 15192 bytes |
SHA-256: cfc690e4c758fc05d2b9fdefe3aacc36771b1a89c2e914197dee969c4ae2b5cb |
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