MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO spam operation. The document body, though partially corrupted, suggests a lure related to financial documents, potentially for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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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://jumiwimov.ru/123?utm_term=printable+checkbook+balance+sheet PDF link annotation
- https://cdn.sqhk.co/pixafosabow/hhukvhc/38605581186.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488580/normal_5ff9addebf8d7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463528/normal_5fe806aa1b4a5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411218/normal_60477119a8319.pdfIn PDF document text
- https://cdn.sqhk.co/mipowepiwof/k6haSHj/5839347777.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407986/normal_5ffca3acc124d.pdfIn PDF document text
- https://cdn.sqhk.co/kizafizutuw/cibhcia/newadomiwituduposinow.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6b21c484-99f8-4e97-b77a-b77c054bfe5d.filesusr.com/ugd/f139d4_c7ba3a2c05c04bb99b37d3c02b174761.pdf?index=trueIn PDF document text
- https://74269c25-1731-4359-90d4-804f54ef9c1c.filesusr.com/ugd/b5973a_f63328cc5e6d4350b179b5d1e86e0119.pdf?index=trueIn PDF document text
- https://1a2149e7-ca7f-4e7c-a584-0e483de6f3af.filesusr.com/ugd/9219f8_1a58ac2a6cae45769d2ba72c4352c028.pdf?index=trueIn PDF document text
- https://3df06c22-1e8a-4082-8cc2-a0fdc0609706.filesusr.com/ugd/d86e81_02f08a813a58451a8e16b6e26b51f93c.pdf?index=trueIn PDF document text
- https://3485775d-af35-4505-8fb4-f6750f575e04.filesusr.com/ugd/42f18e_7bbc4b2a646d4cd08471fef2d76e937d.pdf?index=trueIn PDF document text
- https://99470c7d-c692-4648-a7b8-36ea19db2883.filesusr.com/ugd/ab059d_06bff0807344467a944be7bc3f606c5b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/49dda3b1-ed68-4c8a-8107-92ddecfcc462/how_do_i_access_my_samsung_cloud_account.pdfIn PDF document text
- https://f7cac2f2-528f-490f-9bef-cb2448a877de.filesusr.com/ugd/529ba0_8e94b4b35690405588952127ef1758ec.pdf?index=trueIn PDF document text
- https://80f75f89-a1e3-4611-a0ef-7a704eb82da9.filesusr.com/ugd/0286dd_8abc4e7a192d45c3b34a4269fbedebc8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9a9b87eb-4d55-4669-af07-28fb0e7adc89/cuantos_libros_tiene_la_biblia_catolica_romana.pdfIn PDF document text
- https://6184de0c-c318-42a7-882e-c5ddc63b817d.filesusr.com/ugd/1c8c1e_df21b8bd35a942abb46ba9a5e1d506e7.pdf?index=trueIn PDF document text
- https://86f5e18a-8766-4ae7-b9bf-31430b627380.filesusr.com/ugd/911c12_0fcfa7686d984d53b667bb104f2a3494.pdf?index=trueIn PDF document text
- https://47e4df30-8702-49a4-8bd5-327e1546ff06.filesusr.com/ugd/379272_46c4a74e09464c25b742ae4e509d77d3.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fbd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBD9 | 5092 bytes |
SHA-256: ef75b0df4c1adf615717056d9476998ad74cb434446b941d3833e8fa57141236 |
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font_01_sfnt_off00010d1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D1D | 11284 bytes |
SHA-256: 5dd4b6214d89d53d95be798b5487ea3e0097898213255d818c45f4db800fbfa0 |
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