MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The heuristic findings reveal it functions as a link farm, embedding numerous URLs, with one specifically identified as an external URI pointing to a suspicious domain. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create documents for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://ponafet.ru/123?utm_term=harvest+moon+ds+cute+walkthrough+guide PDF link annotation
- https://cdn-cms.f-static.net/uploads/4477910/normal_605b6c680311a.pdfIn PDF document text
- https://mitosimizede.weebly.com/uploads/1/3/4/3/134372473/kulotid.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497131/normal_5fd136ffb3ed8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473632/normal_603cb692366b6.pdfIn PDF document text
- https://sivekilupikuma.weebly.com/uploads/1/3/4/4/134491743/8400604.pdfIn PDF document text
- http://vilofanasupa.iblogger.org/jenevonukafizarikagutenum.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4472760/normal_6003bdd132617.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490375/normal_5fd96907da013.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://35479656-6a94-44d6-ac55-da507c14a2ae.filesusr.com/ugd/d68318_914bb926c7904ad9af8284694629a403.pdf?index=trueIn PDF document text
- http://sisawujeza.rf.gd/74322779003.pdfIn PDF document text
- https://d6504552-49b0-4b7d-b1ff-94f9e1082b83.filesusr.com/ugd/1f0558_60fba8c54b2844ec960b2351387c6e1d.pdf?index=trueIn PDF document text
- https://caa91486-5fcc-43b7-8b2b-5b817ae85bbe.filesusr.com/ugd/26bbcf_4cc370e8e911439a9ca56f4acf2c02fc.pdf?index=trueIn PDF document text
- https://03aaa7dd-6608-466c-a68c-f41c59811c05.filesusr.com/ugd/ae15ca_36f0bed3b0fb450eba5a78a6c6181206.pdf?index=trueIn PDF document text
- https://0491f86b-060d-4f4a-be23-b0d01488777f.filesusr.com/ugd/faa7ef_d5c396f4d76b4eaf84b28e394956ad0f.pdf?index=trueIn PDF document text
- http://sulovibox.epizy.com/is_there_a_grace_period_for_renewing_a_drivers_license_trinidad.pdfIn PDF document text
- https://3c199e1c-ff83-4553-a351-db1e9419129c.filesusr.com/ugd/424a74_334c76deee4442b296e12c61071cb166.pdf?index=trueIn PDF document text
- https://cc6d8859-fc08-4100-a073-55b48c5addfc.filesusr.com/ugd/238140_f88062e0247f42b69aa08a5dcb07a736.pdf?index=trueIn PDF document text
- https://6c8ebe11-725c-420b-823a-68bc39d02ad2.filesusr.com/ugd/3e87bf_667c7d8b672b4a73bb61958c0df34d06.pdf?index=trueIn PDF document text
- https://f856bbc4-01c8-45e4-8891-a53c5ee59fd0.filesusr.com/ugd/8e827e_5495395f43c8469e95c3a27a629310bd.pdf?index=trueIn PDF document text
- https://bac325b5-3710-4a60-ba01-c1ac5e8a7650.filesusr.com/ugd/c111de_ded1e40b37e44633998a971469799dfe.pdf?index=trueIn PDF document text
- https://e0bfa911-60eb-4c53-bd8d-ceec25156dfb.filesusr.com/ugd/0a052f_467fe8eadefc40c587982b368ebdffd4.pdf?index=trueIn PDF document text
- https://c931c956-7f53-4e4e-96dc-27d7f003ba63.filesusr.com/ugd/b80c10_2c8972a6c9c046ae976a1f8788d0f9b0.pdf?index=trueIn PDF document text
- https://b354d503-40d1-4c97-84b4-bc0b16c12f35.filesusr.com/ugd/8c7d07_376a3a1162d04961be391aa0e1852a2d.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_off0002271e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2271E | 5532 bytes |
SHA-256: 161ec0d0705feb2a346345ee9e2413d9c6202aeee9b51557166ddf3b45513b0d |
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font_01_sfnt_off000239d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x239D3 | 11468 bytes |
SHA-256: 71580e743d71301a6d0280264adf106ec1d5b9f8c01f809e6fbc343bf4892bbf |
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