MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1105 Ingress Tool Transfer
This PDF file exhibits characteristics of a link farm or SEO spam, containing a large number of external URLs pointing to other PDF documents. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the presence of numerous external links. The primary purpose appears to be directing users to a vast network of hosted content, potentially for malicious distribution or search engine manipulation.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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 http://torontoexiles.com/uploads/1/3/0/2/130272936/130272936.html#ejemplos+de+trabajos+en+formato+ieee PDF link annotation
- http://spokaneroofingcontractors.com/uploads/1/3/0/6/130639526/muledika.pdfIn PDF document text
- http://www.jonnyessex.com/uploads/1/3/0/6/130604560/reluxeziwujovikep.pdfIn PDF document text
- http://hopeyouthroc.org/uploads/1/3/0/8/130874582/1869d0aeaac0904.pdfIn PDF document text
- http://jinbangyulechengzhucewangzhi.f18.ebkf.org/uploads/1/3/0/6/130622059/fakorudekew_tafutijuxaxitow.pdfIn PDF document text
- http://me2umassage.com/uploads/1/3/0/6/130639740/zuginorewatosulejizo.pdfIn PDF document text
- http://tipsycow.net/uploads/1/3/0/4/130476740/3925320.pdfIn PDF document text
- http://www.mmalm.com/uploads/1/3/0/5/130539341/gepofi-salevugeb-porefo.pdfIn PDF document text
- http://www.nathanpoulson.co.uk/uploads/1/3/0/6/130605403/a25b7972c705b3.pdfIn PDF document text
- http://mindfulprofits.co/uploads/1/3/0/7/130775151/lolibu.pdfIn PDF document text
- http://shortroundapparel.com/uploads/1/3/0/7/130775810/jepidi.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000071c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71C2 | 10204 bytes |
SHA-256: ff20fb1bf6d3e8cd00b4fa75e4b4af801c93126e8b59a814b7201e45aff32254 |
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font_01_sfnt_off00009482.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9482 | 16088 bytes |
SHA-256: 5a9695438bb362a8b10d86f415c06da9d71f416851af8c6c9c762304ce3c8158 |
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