MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of numerous external URIs, many hosted on unknown domains, suggests a link farm designed to redirect users to malicious content. Although no scripts were extracted, the PDF structure and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://www.tamilsaga.com/ckfinder/userfiles/files/bubot.pdf In PDF document text
- https://vicotelecom.vn/static/source/images/file/zasav.pdfIn PDF document text
- http://pomelieagency.com/userfiles/files/rabag.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/9e9fc5a44cfdc9d7f0e37fe6d01d9e92/60691508533.pdfIn PDF document text
- http://udmvdpo.ru/images/files/siromamugodag.pdfIn PDF document text
- http://mkbeauty.vn/luutru/files/2246503971.pdfIn PDF document text
- https://tsegypt.com/file/raxedeloxodaba.pdfIn PDF document text
- http://hoteldanang.vn/uploads/images/files/95444212151.pdfIn PDF document text
- http://jamalcar.com/userfiles/file/42832234301.pdfIn PDF document text
- http://deleersnijder-bocaege.be/images/file/lokopeluwuxo.pdfIn PDF document text
- http://sbairs.com/datas/files/gaponoxugorixezi.pdfIn PDF document text
- http://sial.pl/galeria/file/66289584364.pdfIn PDF document text
- https://anitacalderon.com/ckfinder/userfiles/files/fuxut.pdfIn PDF document text
- http://bivalyracing.hu/files/file/wififadakador.pdfIn PDF document text
- http://vce34.ru/attachments/file/najogapoxujaneki.pdfIn PDF document text
- http://ammk.sk/userfiles/file/pajegifuverul.pdfIn PDF document text
- http://mp-hd.de/data/aktualnosci_imgs/file/25083267874.pdfIn PDF document text
- http://stigstudiotecnico.it/userfiles/files/86992383654.pdfIn PDF document text
- https://www.fishhabitatnetwork.com.au/application/third_party/ckfinder/userfiles/files/99963885611.pdfIn PDF document text
- https://wineuniverse.us/userfiles/file/33669360783.pdfIn PDF document text
- https://skvely-kup.cz/files/file/bifinezukepukizur.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/161376170d5815---75665268818.pdfIn PDF document text
- https://keluargamimpi2.com/contents/files/jegasabiborumufokok.pdfIn PDF document text
- https://narellesastro.com/userfiles/files/76528096933.pdfIn PDF document text
- http://pwr-tech.ru/userfiles/file/vojuvevuladabaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=weather+radar+premium+apkPDF 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_off0000e83a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE83A | 10404 bytes |
SHA-256: f7323996bc76dbf336bdcd8117223129db26df1889e42a254902764efad68399 |
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font_01_sfnt_off0000ffc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFC5 | 17840 bytes |
SHA-256: 6f2592e1236d8c662d4b1608bccb5ad5a1157a85c5ac97f42ebd48e438b95f18 |
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font_02_sfnt_off00012e85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E85 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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