MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, a technique often used in SEO link farms to manipulate search engine rankings or redirect users. The heuristic 'PDF_SEO_LINK_FARM' and the presence of many external URLs, including a suspicious one hosted on 'golowaki.ru', strongly suggest a phishing or redirection scheme. ClamAV also detected this as 'Pdf.Phishing.Trojan'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://golowaki.ru/award?keyword=types+of+neurological+disorders+pdf
- https://cdn-cms.f-static.net/uploads/4463277/normal_6042f7d50545a.pdf
- https://static.s123-cdn-static.com/uploads/4482849/normal_5fdce999285b7.pdf
- https://cdn-cms.f-static.net/uploads/4492574/normal_600a55e9ab6e6.pdf
- https://static.s123-cdn-static.com/uploads/4450250/normal_5fe0198fdde95.pdf
- https://cdn-cms.f-static.net/uploads/4477386/normal_600c20611565a.pdf
- https://cdn-cms.f-static.net/uploads/4472763/normal_600e8531b4754.pdf
- https://cdn-cms.f-static.net/uploads/4383450/normal_6056bc75c1cb7.pdf
- https://cdn-cms.f-static.net/uploads/4401971/normal_605103b580e1f.pdf
- https://cdn-cms.f-static.net/uploads/4464735/normal_60403009e6f80.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/4c84ead8-2811-48cd-af9a-5f3988e6be33/tapenodosevimofuguxawaw.pdf
- https://uploads.strikinglycdn.com/files/5aa89bcc-e4e5-49cd-8aec-004ff5e878c5/oraciones_en_ingles_con_verbos_regulares_e_irregulares_en_pasado_simple.pdf
- https://uploads.strikinglycdn.com/files/90ebc086-82fb-44cc-b570-afc678b8d80e/rakomukewadejowitotax.pdf
- https://uploads.strikinglycdn.com/files/6cfd5cc2-4942-4a9f-b75d-8f47a607a661/2579723218.pdf
- http://zisuvedo.rf.gd/wutamon.pdf
- http://pubilovojut.epizy.com/44997924178.pdf
- https://uploads.strikinglycdn.com/files/8320bcfb-89e5-463b-8e72-b59aafe3ee8b/conscious_discipline_building_resilient_classrooms.pdf
- https://0ac950e2-707a-4e47-8bf4-daface0ea9db.filesusr.com/ugd/356f11_ac3bfc276f4f4f7aaf772a2d4cb0c35b.pdf?index=true
- https://b2f02272-107b-4032-aafc-54cdd6265a16.filesusr.com/ugd/6cf392_58d86892c71c4ba0a5dbd119fcc55f3e.pdf?index=true
- https://uploads.strikinglycdn.com/files/abc89276-f59a-4906-8535-84fcaef5f888/dlink_dap-1522_firmware_update.pdf
- https://uploads.strikinglycdn.com/files/9bca380b-1179-4349-95a7-c777f9bda607/7899955175.pdf
- http://sonogobujajeva.rf.gd/27069503590.pdf
- https://uploads.strikinglycdn.com/files/ceb16358-7d49-422e-858c-70400b0d172e/dadebete.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee11.binf5676794460a38e833b706065cd91381eb3c2d5e0dded7c9138eae565059f3c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE11 | 5376 bytes |
font_01_sfnt_off00010077.bin7263c4f17bd09148eb65c1936670e0868cbbeaeb4a1e91d2c4d70432c7006da7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10077 | 10936 bytes |
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