MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting it functions as a link farm. The document body, though heavily obfuscated, contains text related to 'Glucosa valores normales pdf' and is generated by wkhtmltopdf, indicating a potential SEO spam or phishing lure. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://xezojetit.ru/award?keyword=glucosa+valores+normales+pdf PDF link annotation
- https://vafopizinenited.weebly.com/uploads/1/3/4/4/134480139/futupif.pdfIn PDF document text
- http://livemavuxedu.getenjoyment.net/adultery_book.pdfIn PDF document text
- http://viniveba.mywebcommunity.org/6696478372.pdfIn PDF document text
- https://rifidikebipe.weebly.com/uploads/1/3/0/9/130969129/satex.pdfIn PDF document text
- https://tigopovon.weebly.com/uploads/1/3/4/2/134235173/5357705.pdfIn PDF document text
- http://zugemenelil.medianewsonline.com/men_without_women_summary.pdfIn PDF document text
- https://dokipodaj.weebly.com/uploads/1/3/4/3/134306773/2739418.pdfIn PDF document text
- http://rufawefojag.sportsontheweb.net/cpwd_works_manual_2020.pdfIn PDF document text
- https://lupexepiw.weebly.com/uploads/1/3/4/3/134318885/1272866.pdfIn PDF document text
- https://lilawowawumoxo.weebly.com/uploads/1/3/1/4/131453384/gozamuguporufe.pdfIn PDF document text
- http://tesekal.mygamesonline.org/rusakogotasonur.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://2a07c75e-e898-48ba-b326-4cccc82d0599.filesusr.com/ugd/ff154e_08d2b102123249488abaa761c9c519db.pdf?index=trueIn PDF document text
- http://pedirite.onlinewebshop.net/gilovagixuwenasujuwe.pdfIn PDF document text
- https://b9a4c3d6-4ccf-4d04-9b0f-c2e9c357e15d.filesusr.com/ugd/e5cbe5_f43600bb429c4ab48008a3af6bce1a40.pdf?index=trueIn PDF document text
- https://f8071fb1-33dc-4bb9-9fe9-292e0ca0d861.filesusr.com/ugd/253000_a91b31d07ff1480fa635528fe02727ca.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/kumasala/16749178450.pdfIn PDF document text
- https://s3.amazonaws.com/nijudow/lose_yourself_instrumental.pdfIn PDF document text
- https://4c8cc264-4606-483b-a6fd-3ab48ba5c15a.filesusr.com/ugd/c626f4_0a52c41966254624a99fc7f938c41cc1.pdf?index=trueIn PDF document text
- https://4ac36a2f-1533-488b-b282-cf34cdace458.filesusr.com/ugd/bcfc12_9d9894f0242847608a4712383cb5cd97.pdf?index=trueIn PDF document text
- http://lipabarud.atwebpages.com/85045653951.pdfIn PDF document text
- http://padegijogul.atwebpages.com/agenda_writing.pdfIn PDF document text
- https://s3.amazonaws.com/topipovikapari/lowonedikijevira.pdfIn PDF document text
- https://s3.amazonaws.com/xapidajovaji/sustainability_reporting_sec.pdfIn PDF document text
- https://s3.amazonaws.com/bulujono/nikivanopugusegezapojidu.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_off0000f483.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF483 | 5392 bytes |
SHA-256: aeb2fec4d107f7d8c3603fec1c730cc74024ec4101d47e93220d686f34017c5e |
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font_01_sfnt_off000106cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106CF | 12932 bytes |
SHA-256: 88d0c35176fe6f64220df4fd7239cf2ff3a46dca7b59f23908f800f97f85db45 |
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