MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 disposable domains, suggesting a link farm designed to obscure the final destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior, indicating a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://ontech.vn/images/ckeditor/files/2750385417.pdf In PDF document text
- http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/rakivujex.pdfIn PDF document text
- http://www.fuchingrading.com/upload/file/1093331627.pdfIn PDF document text
- http://haiannweb.com/uploads/files/sivomireweximovasore.pdfIn PDF document text
- https://olajpark.hu/files/files/rirezaxadekodoxitawis.pdfIn PDF document text
- https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/27103161413.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161498016641d3---defulosegoluzizawixuxomu.pdfIn PDF document text
- http://onestep-tokyo.com/userfiles/file/gevegezedoloxovimibo.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161338ca32fe5f---56091147218.pdfIn PDF document text
- http://bidadapatidar.com/userfiles/file/tisowur.pdfIn PDF document text
- https://elperrocallejero.info/ckfinder/files/kekob.pdfIn PDF document text
- https://protrialse.eu/files/files/vuzezinetav.pdfIn PDF document text
- https://szabobuszberles.hu/files/files/pageguk.pdfIn PDF document text
- http://citygclub.com/ckupload/files/koxorufajinuzisorigep.pdfIn PDF document text
- http://playbabydoll.com/userfiles/file/jasowibaropuxelemuw.pdfIn PDF document text
- http://sxsasa.org/images_fck/file/1631234860.pdfIn PDF document text
- https://ww150001.linebot.net/upfile/files/20210918001757.pdfIn PDF document text
- https://akconta.com/uploads/files/taweve.pdfIn PDF document text
- http://bowie.abwingsmd.com/uploads/files/wotasizorazidekovazul.pdfIn PDF document text
- http://cartopack.com/Images/file/sokoziritaxoxike.pdfIn PDF document text
- http://verkaufs-akademie.com/userfiles/file/66344825204.pdfIn PDF document text
- http://inbeeldt.nl/userfiles/file/1714704514.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=power+book+ii+free+onlinePDF 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_off0000bb20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB20 | 17752 bytes |
SHA-256: f517829d0863ad7153a259fb17a3d5c26cf128ff875399c613163b23dc50562e |
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font_01_sfnt_off0000e8fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8FA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010111.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10111 | 10096 bytes |
SHA-256: c2e5e2ed4f186ba8771c6855d7309b15e016568922d7a41e5767ade74de00fdf |
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