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://leonvi.ru/123?utm_term=todo+sobre+el+texto+argumentativo+pdf PDF link annotation
- http://sowopezamiw.medianewsonline.com/mufajakejebevotoziw.pdfIn PDF document text
- https://jaluburevajag.weebly.com/uploads/1/3/0/8/130874017/0bd5dc2286954.pdfIn PDF document text
- http://vijexibat.mywebcommunity.org/kuvametopegavo.pdfIn PDF document text
- https://nizevamil.weebly.com/uploads/1/3/2/8/132814567/f127dda.pdfIn PDF document text
- https://dunomomavelow.weebly.com/uploads/1/3/1/4/131407267/8112140.pdfIn PDF document text
- http://lotibamuzuti.scienceontheweb.net/define_debit_card.pdfIn PDF document text
- http://gudelew.mywebcommunity.org/89492533684.pdfIn PDF document text
- https://xifexovajebim.weebly.com/uploads/1/3/0/7/130740184/5c0fa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a44a9d9e-3ce9-422e-9b5d-83ef2d4925cb.filesusr.com/ugd/3234e9_14adbc479bb84b7da5e9987dad0b1d55.pdf?index=trueIn PDF document text
- https://6e678f60-abc6-404c-883a-cd1729fdffee.filesusr.com/ugd/e4291f_0e2ec9c91ff74b49a8be221675c774d8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/78341e3f-8ef9-4f1f-abed-a16a5ed1efd0/vukepunerazalipanolebija.pdfIn PDF document text
- https://05e27880-d5e1-4d3d-8428-ba943e9300bc.filesusr.com/ugd/b56239_cc6bade9d6ea4d118d50e923246c916f.pdf?index=trueIn PDF document text
- https://8dfd47f4-e591-4377-92a3-bdbf91d41e5a.filesusr.com/ugd/a58b01_5b139a6a26cf49919f71b78f16579c30.pdf?index=trueIn PDF document text
- https://c4e42e93-254c-4ba8-b495-737f84002742.filesusr.com/ugd/ddb60a_7cde92d2731e4cf38f6fa54548096b72.pdf?index=trueIn PDF document text
- http://duvodix.myartsonline.com/ruzivewuw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/34574db0-36fb-4f1e-9f12-4ef5c9b9863b/xorotapibigo.pdfIn PDF document text
- https://2f60c0de-bae8-48d8-8f3f-ce7907f87c52.filesusr.com/ugd/badafb_e5af59bec8e64c27965067de9f9d58b0.pdf?index=trueIn PDF document text
- https://a1d1c4ac-cf1d-4c58-861c-45d1188f4b60.filesusr.com/ugd/052f3a_902a430296c540089bfd13f4cbfdeae3.pdf?index=trueIn PDF document text
- https://973697ad-ffa4-4f9d-85cd-0c9d1ea039ee.filesusr.com/ugd/5f5755_f2a79cfc132e46e3a31255459e0361ea.pdf?index=trueIn PDF document text
- https://ebd73b9a-b255-48a5-b781-2bd84b483b4c.filesusr.com/ugd/956c05_34ed8ff209984d419e12d258a700c8ea.pdf?index=trueIn PDF document text
- https://a7da3e60-63c8-46c1-a846-eab7df628ed2.filesusr.com/ugd/bba345_44791aaf1dfb4dacbbdaa5b2b13f7bcf.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_off0000eca2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA2 | 5580 bytes |
SHA-256: add4fc65fbb441e82877dd091e3e50c7f3808edc9abfa34d1855be0d4215fe9f |
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font_01_sfnt_off0000ff87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF87 | 12396 bytes |
SHA-256: fd3ca4253d42f169ca044f7a1117b4246340acdb396e4389215cd4459fb866d4 |
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