MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, appears to be a lure related to kindergarten vocabulary, likely to trick users into clicking the embedded malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 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/award?keyword=three+letter+words+in+english+for+kindergarten+pdf PDF link annotation
- http://calipshatngaccs1.xyz/kawasemazopomidetenatwhzey.pdfIn PDF document text
- https://sanijala.weebly.com/uploads/1/3/4/8/134889677/510834.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4404107/normal_5ff0a552d5b48.pdfIn PDF document text
- http://reduslimitaly-official.site/91917691388h6b7m.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454304/normal_5fde5b2fac97a.pdfIn PDF document text
- https://liruviwogaralo.weebly.com/uploads/1/3/0/7/130776788/2dfcaa306.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402711/normal_5fe6b970906e0.pdfIn PDF document text
- https://tadomowiwelam.weebly.com/uploads/1/3/4/7/134744739/512a15.pdfIn PDF document text
- https://zogadinarele.weebly.com/uploads/1/3/1/4/131409244/lifelulelero_nekulujoger_subipuw_vusupetivox.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374848/normal_5fe2de7a3ef95.pdfIn PDF document text
- https://kasutuwisuruja.weebly.com/uploads/1/3/1/8/131872017/1f53e9.pdfIn PDF document text
- https://sukaxivex.weebly.com/uploads/1/3/4/8/134895869/jilomi-zodudamebo-likanapiwet-guxokim.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://4465b75e-e642-4f53-8c89-e22f0b9d4994.filesusr.com/ugd/ecd213_24f2d282b9694310b5c10d3bdf5339f1.pdf?index=trueIn PDF document text
- https://a97cc435-ef8e-4ffb-8544-4b9c0bda5a6e.filesusr.com/ugd/7ab440_549904962dd94c7ea17cb43a3a9be974.pdf?index=trueIn PDF document text
- https://92ddf5cc-4ce7-4caf-b117-8241c553a727.filesusr.com/ugd/42bae0_3fcb0768276f4e0bbd4f9ba2a9176271.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nisiwanolom/2959264021.pdfIn PDF document text
- https://dfde94ff-8c6c-411d-9c04-f18b57906ec7.filesusr.com/ugd/47ec90_abd64e245e3a4f8c972fadd45e3c3b08.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vososasoxumete/carnegie_learning_textbook_answer_key.pdfIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f288.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF288 | 5196 bytes |
SHA-256: 51d2979eeaa045e917a5ed0d722f573a2831e1a4bfbfce5b8ba1ef078c646387 |
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font_01_sfnt_off00010444.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10444 | 11292 bytes |
SHA-256: 3c6d39022b5a71503ca3849ab1d0b0bbf38030b8d584b8ab2106ef69b7c773d6 |
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font_02_sfnt_off00012a99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A99 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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