MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO spamming operation. The ML classifier strongly suggests maliciousness, and the presence of numerous external URIs points towards a potential distribution mechanism for further malicious content or traffic redirection. No scripts were extracted, and the document body was heavily obfuscated.
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://midufefew.ru/award?keyword=historia+del+ballet+clasico+pdf PDF link annotation
- http://xonejalevesezom.sportsontheweb.net/15308428484.pdfIn PDF document text
- https://gujejedadun.weebly.com/uploads/1/3/1/3/131398181/fiwep.pdfIn PDF document text
- http://lokubakodo.getenjoyment.net/sample_welcome_speech_for_seminar.pdfIn PDF document text
- http://pebonemariv.mypressonline.com/48413785217.pdfIn PDF document text
- https://raxeruzuk.weebly.com/uploads/1/3/4/7/134743740/jerifebanoworer_nimuret.pdfIn PDF document text
- http://winovigamaj.mygamesonline.org/93414242072.pdfIn PDF document text
- https://moliveje.weebly.com/uploads/1/3/5/3/135323163/3355859.pdfIn PDF document text
- http://modozadubop.mywebcommunity.org/22133978009.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8546b567-499d-44cb-812b-f4cb210fa0cc.filesusr.com/ugd/1f0b74_05668e6d6a5647edb0fc84d5fce9be84.pdf?index=trueIn PDF document text
- https://3d9856c9-ddaf-40ef-ab37-14107f3d3ee7.filesusr.com/ugd/938106_fb9ca0a4fc9b4a2f932f2d5ff81a2d03.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7b1f68cb-6afb-4272-84a2-8a19d6e5cf0a/dovuselepejojegaz.pdfIn PDF document text
- http://vebusatoro.atwebpages.com/67882952033.pdfIn PDF document text
- https://s3.amazonaws.com/nisiwanolom/sap_user_table_name_surname.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db1c528a-522c-4991-930b-52e60bd4d322/57891862328.pdfIn PDF document text
- https://1afae0f6-9e35-4dc9-9db7-5dbf78511926.filesusr.com/ugd/afe78f_e4e79e449a00421fabc7393db77bfaa4.pdf?index=trueIn PDF document text
- https://8533cbf3-c0d6-400c-bdf8-8ca38cf0242b.filesusr.com/ugd/135178_8a2e847fbb824e0caf229c1ec9883707.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b1df91cf-34de-45ff-be27-3f0a41394c15/how_to_use_pmd_rose_quartz.pdfIn PDF document text
- https://5f98d79b-b704-4ecc-a618-200e52db7f79.filesusr.com/ugd/d1a5b7_2681024b0056419ba2d1fe556e6a27ce.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9cc2512f-0fca-492a-a342-5c066fd9ad16/82128639410.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b659dcdd-3d8a-44df-bd4b-ed50b4ead4ea/petedujufa.pdfIn PDF document text
- http://limoxukuk.atwebpages.com/rivesumulometidotitej.pdfIn PDF document text
- https://s3.amazonaws.com/pugomonapoxuxe/1060245490.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f65f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF65F | 5248 bytes |
SHA-256: 2c533430f305696851c836e143dc13a6af55d302957eb39319455a4ab3e010b3 |
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font_01_sfnt_off0001083a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1083A | 13268 bytes |
SHA-256: 7c210c755f3775abefd6eb65d8e172d21e17a3dffaee1f05793dd01d042ef8fb |
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