MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to potentially malicious PDF files hosted on various domains, suggesting a link farm or distribution mechanism. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination or spread malicious links. No scripts were extracted, but the overall structure and URL patterns are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://etimes.mn/uploads/files/9846070317.pdf In PDF document text
- https://bio86.net/userfiles/fichiers/tutibutomijobixar.pdfIn PDF document text
- http://xn-----elcksuhhemsi4e.xn--p1ai/files/files/97445804772.pdfIn PDF document text
- http://tecs4.com/intranet/ckfinder/userfiles/files/30453393442.pdfIn PDF document text
- http://aquatherm-graz.at/files/90263946365.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-9-20/20210920192447253108.pdfIn PDF document text
- https://prevodi-plovdiv.com/userfiles/file/97784089093.pdfIn PDF document text
- http://baracenter.be/userfiles/file/44846593665.pdfIn PDF document text
- http://www.ecrivains-consult.fr/easyonline/ckfinder/userfiles/files/40887752272.pdfIn PDF document text
- http://haisushitogo.com/uploads/files/96326322441.pdfIn PDF document text
- https://volgogradexpo.ru/ckfinder/userfiles/files/14054398549.pdfIn PDF document text
- http://devison-matras.com/upload/file/dafulibin.pdfIn PDF document text
- http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/65349768665.pdfIn PDF document text
- https://francoisdaulte.com/ckfinder/userfiles/files/jajutegipenanitapisumas.pdfIn PDF document text
- http://syarmarka.ru/userfiles/files/kinimizagogodaguxot.pdfIn PDF document text
- http://le-bouquet.be/userfiles/files/75821606395.pdfIn PDF document text
- http://underbutter.cz/download/foto/nasiwedox.pdfIn PDF document text
- http://aow.infogestnet.it/ckfinder/userfiles/files/36399911155.pdfIn PDF document text
- http://rdmsrl.it/userfiles/files/96923259730.pdfIn PDF document text
- http://veterinariomauracotti.it/userfiles/files/zugikilorugigoku.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613faa71183fa---somigevurin.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/89493556551.pdfIn PDF document text
- https://sahodayabbsr.com/test/fckeditor/file/38992490712.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/8702fdb25087f8a0cfc5e715430f381f/93504291291.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=emulare+android+su+pcPDF 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_off0000e089.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE089 | 18900 bytes |
SHA-256: 3a712a15a37d50941c01ae3d309daf6f1df10014b8c079fa538b3fe69f515a43 |
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font_01_sfnt_off0001105a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1105A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012871.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12871 | 10660 bytes |
SHA-256: 17d181ddf0abfe6068e971a5dc4837c22b3b623ab2e3daa92b12225f9fcfb554 |
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