MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URLs, many of which are part of a link farm hosted on disposable domains, suggesting a phishing or redirection scheme. The PDF structure and embedded URLs point towards an attempt to lure users to malicious sites.
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://inwebjor.ru/uplcv?utm_term=webview+app+example PDF link annotation
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132727854870---puvobomip.pdfIn PDF document text
- http://dongphat.net/upload/files/mekanekuveka.pdfIn PDF document text
- https://nikosdimos.gr/userfiles/file/79467913154.pdfIn PDF document text
- https://www.ijdsir.com/ckfinder/userfiles/files/50975801531.pdfIn PDF document text
- http://hferrynetworks.com/FileData/ckfinder/files/20210904_132E9B227FE4D95E.pdfIn PDF document text
- https://rrrc.us/userfiles/file/dakowixifisoxelapata.pdfIn PDF document text
- https://decisionstogo.com/fck_image/file/wusiduwebolifovan.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/17b205d5489bb58361297da7f9f6c79e/fujimogerapemoxubatero.pdfIn PDF document text
- http://consol.hu/images/uploadedimages/file/3500347348.pdfIn PDF document text
- http://csc-020.com/userfiles/file/20210908212755_8uf3dx.pdfIn PDF document text
- http://recko.ru/ckfinder/userfiles/files/laxijedupupebupirimuzolez.pdfIn PDF document text
- http://orchid-daikanyama.com/userfiles/file/77648116537.pdfIn PDF document text
- http://www.investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/jejuj.pdfIn PDF document text
- https://ww150007.linebot.net/upfile/files/20210909003725.pdfIn PDF document text
- http://www.tlo.ntou.edu.tw/ckfinder/userfiles/files/86484398713.pdfIn PDF document text
- https://saint-florentin.charcutier-traiteur.fr/ckfinder/userfiles/files/62497841890.pdfIn PDF document text
- http://jvcc.cn/ckfinder/userfiles/files/210905051706240997nyyft.pdfIn PDF document text
- http://rezidencianestor.sk/app/webroot/files/ckeditor/files/88028783006.pdfIn PDF document text
- https://ever.dacola.com/upload/files/88606469566.pdfIn PDF document text
- https://okazdedziecko.pl/_files/Media/file/42980616047.pdfIn PDF document text
- http://salamino.pl/userfiles/file/77985169033.pdfIn PDF document text
- http://alpes-maritimes.proximeo.com/ckfinder/userfiles/files/45756331239.pdfIn PDF document text
- http://euroteam.vn/ckfinder/userfiles/files/muwanifuwub.pdfIn PDF document text
- https://52fantasies.com/home/holly/public_html/ckfinder/userfiles/files/jezobip.pdfIn PDF document text
- http://sumisaedu.com/FileData/ckfinder/files/20210904_E69BAB9024C19EBD.pdfIn PDF document text
- 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_off0000e467.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE467 | 18772 bytes |
SHA-256: 66d8b9e29a20b8b874855b3107ca93149aed4474172b30d8a1768a45edc6581e |
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font_01_sfnt_off00011617.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11617 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012e2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E2E | 10208 bytes |
SHA-256: 979e39a5c91e7ee893617e69d583e17241bb3031fcd52dec1642d69258e01174 |
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