MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to suspicious domains, suggesting it is part of a link farm designed to redirect users to malicious sites. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 5
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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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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://yonseri.org/userfiles/files/81865116639.pdf In PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613746cee1d8d---zexibulim.pdfIn PDF document text
- https://kocgrafikavukatwebsitesi.demowebsiteleri.com/upload/files/mepixowuwakorepu.pdfIn PDF document text
- http://touristclub.in/userfiles/file/62351916066.pdfIn PDF document text
- https://advance-pack.com/editor_upload/file/75146308031.pdfIn PDF document text
- https://zaragozadenoche.es/upload/files/xarejetejefu.pdfIn PDF document text
- http://alrabbanoilandgas.com/file/files/51534296672.pdfIn PDF document text
- http://tatagz.com/uploadfile/files/95792051530.pdfIn PDF document text
- https://reformedgeneration.com/userfiles/file/5489346348.pdfIn PDF document text
- https://castilloexterior.net/ckfinder/userfiles/files/19288562817.pdfIn PDF document text
- http://americasbestmanassas.com/uploads/files/furogatapidokomopuzo.pdfIn PDF document text
- https://mps-india.com/userfiles/files/mirezakezuvevuso.pdfIn PDF document text
- http://hongshengfish.com/uploadfiles/20210908/210908013729704994jrmhox8auxps.pdfIn PDF document text
- http://goodlack.cz/userfiles/file/pozune.pdfIn PDF document text
- http://sissonne.hu/editor_up/53568757350.pdfIn PDF document text
- http://showpelec.com/data/file/20210901_214356_941.pdfIn PDF document text
- http://seoulmenu.com/uploads/files/12203091903.pdfIn PDF document text
- https://mraos.com/web/userfiles/file/59590186659.pdfIn PDF document text
- http://explosivedevices.ru/media/file/97111706039.pdfIn PDF document text
- https://saglamahsapkutu.com/img/editor/image/file/tozefagowisesubetivakokix.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/71415404580.pdfIn PDF document text
- https://oreopay58.com/ckfinder/userfiles/files/gagara.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/n66drpbeijg0muag5k1upgs816/69084732276.pdfIn PDF document text
- http://appinaris.net/ckfinder/userfiles/publics/files/97585522247.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210906151503.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=lattice+defects+pdfPDF 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_off0000d8bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8BF | 18608 bytes |
SHA-256: 1a272227087aec2697a1d762e89c3c186db08df571fc07c3502f40df0b54aa99 |
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font_01_sfnt_off000109a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000121bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121BC | 10200 bytes |
SHA-256: 09943becd493ca51789f96821cd281caa3b89b6ae6a115049cf22e027b0347d3 |
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