MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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://botokaw.ru/award?keyword=learn+japanese+pdf+free+download PDF link annotation
- http://zahlungsservice-ch.site/national_security_strategy_2018_philippines5de6y.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480745/normal_5fd8c389ea0b9.pdfIn PDF document text
- https://pudixelive.weebly.com/uploads/1/3/4/7/134733907/346761.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419001/normal_5fda83556df69.pdfIn PDF document text
- http://mx50off.info/679216975205gdzt.pdfIn PDF document text
- http://worldworkbook.com/best_books_on_financial_modeling_and_valuationi22eu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418556/normal_5fff5c43c487b.pdfIn PDF document text
- https://mogarujatokeduw.weebly.com/uploads/1/3/5/3/135324664/a9c6f434e4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496815/normal_6062e0765a216.pdfIn PDF document text
- https://jimutovila.weebly.com/uploads/1/3/1/8/131856698/vobepipasiri.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://696f1bd8-06c3-47a7-a8f7-e83e17ec8d18.filesusr.com/ugd/5ad03d_41fe8ddb03a34b418d379d65ee3dc1a1.pdf?index=trueIn PDF document text
- https://32b33340-d9da-4ef7-b3bd-a0ac5134eb71.filesusr.com/ugd/adfa6f_5cab77aea5af488d8f76b6332c6a07e3.pdf?index=trueIn PDF document text
- https://0d555108-1732-4721-8d72-76d747b2053a.filesusr.com/ugd/1b0481_2f7ae24b037a44098f9845d5a68027b2.pdf?index=trueIn PDF document text
- https://5b0ea1c3-b874-41d5-a3cc-49595beb80a6.filesusr.com/ugd/0c63be_2184c284b57646d2b97d820f65e5a81a.pdf?index=trueIn PDF document text
- https://99d0733d-4d0e-4d19-b238-fea6f81017ca.filesusr.com/ugd/e32e4a_9b3c0a05c92d4acdaaef6f967099f635.pdf?index=trueIn PDF document text
- https://153f2bed-3501-4ec5-9468-ed1987511f6d.filesusr.com/ugd/f67134_17d788e3312c41d3830a34532c15c413.pdf?index=trueIn PDF document text
- https://f1cb2ec4-a82d-4768-8a06-5236a2db220e.filesusr.com/ugd/a2e20a_8ac76fb7ac2e408a83e62a540b3edb5e.pdf?index=trueIn PDF document text
- https://51da6a7d-ee05-4a49-87ee-1b74af3aeb07.filesusr.com/ugd/b80405_9ba7ddfbde1b43c89aec88dfe301b2ae.pdf?index=trueIn PDF document text
- https://88966db1-4a83-4446-b941-f65022a6235f.filesusr.com/ugd/928e0f_42f3957c5f114c78a106a82dbb5e6eb6.pdf?index=trueIn PDF document text
- https://1527c8d3-3321-4e9f-872f-e2bebb57bac2.filesusr.com/ugd/bf2d42_f052629db2854314a5036eb4075e1a4b.pdf?index=trueIn PDF document text
- https://1c985592-4fe2-425a-b8d2-7dc24782370c.filesusr.com/ugd/a13bc2_bde12d517d04466d92b69bb31162c7cf.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_off0000f2ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2AC | 5144 bytes |
SHA-256: 6eaa216abae63477f268ca0f618188eb8601491c6147c8bfedef94a31e98758f |
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font_01_sfnt_off00010456.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10456 | 10380 bytes |
SHA-256: cb576965dad11c146a5cf8345bdd90e0efd50627f38486fa7c3e9a2e96a6b418 |
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