MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or trojan delivery mechanism. The presence of a link farm with numerous disposable hosts and UTM parameters suggests an attempt to obscure the true destination or purpose. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass security scanners.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://chothuethietbi.info/img/files/21258468630.pdf In PDF document text
- http://www.dreamstoreonline.es/ckfinder/userfiles/files/nakadapowixex.pdfIn PDF document text
- http://csc-021.com/userfiles/file/20210903080528_027eki.pdfIn PDF document text
- http://hbisan.com/userfiles/file/30033295511.pdfIn PDF document text
- http://avtrak.ru/ckfinder/userfiles/files/punudesobazidozomixunutax.pdfIn PDF document text
- http://sunway.me/ROOT_PATHuploads/file/061651084960.pdfIn PDF document text
- http://unseenadventure.com/userfiles/file/2610933993.pdfIn PDF document text
- http://stefanourso.com/public/userfiles/file/galiwanemak.pdfIn PDF document text
- http://gnox.vn/upload/files/83466409545.pdfIn PDF document text
- http://dga.gr/ILC/img/file/wixamogepejebawakumemilud.pdfIn PDF document text
- http://trufeel.com/ckeditor/ckfinder/uploadfile/files/24284407282.pdfIn PDF document text
- https://taybaite.com/userfiles/file/xapaputonexo.pdfIn PDF document text
- http://sola-brothers.com/userfiles/file/79037713825.pdfIn PDF document text
- https://crownprolaw.cn/userfiles/Proj_Name/files/xewivoburixifuxeju.pdfIn PDF document text
- https://bloomland.com/sites/bloomland.com/files/razorawesajurusebowa.pdfIn PDF document text
- http://portamarioarchitetto.eu/userfiles/files/71953626979.pdfIn PDF document text
- http://biometria.pl/photos_fck/file/37481997895.pdfIn PDF document text
- https://ckeditor.pamlskovnik.cz/ckfinder/userfiles/files/50321079114.pdfIn PDF document text
- http://df-2.de/images/daten/file/19348199186.pdfIn PDF document text
- https://macintosh-szerviz-javitas.nuttydog.hu/ckfinder/userfiles/files/33241136183.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613523126d823---51142452949.pdfIn PDF document text
- https://gencerenerji.com/resimler/files/radigaf.pdfIn PDF document text
- https://viceda.com/userfiles/file/zuvunaxi.pdfIn PDF document text
- https://decoveinvestment.com/userfiles/file/sodewebozabinafivumubel.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161302f405108c---fasixuvubivitonaduxaguli.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=forgot+playstore+passwordPDF 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_off0000dae9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAE9 | 18612 bytes |
SHA-256: 08a34a9f9a519646d6c356f969db8e5fd8e214cca490cfba6a842f0e93ca81a0 |
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font_01_sfnt_off00010b28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B28 | 10548 bytes |
SHA-256: 34345abae19b76e12206802072f58a724b927a5aa69b4c4065e8a57a894a5a61 |
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font_02_sfnt_off00012346.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12346 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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