MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links, many of which point to PDF files on various domains, indicating a link farm or SEO poisoning tactic. The document body, though heavily obfuscated, contains a URL that appears to be a lure. The ML classifier strongly flagged this PDF as malicious. The primary attack pattern involves directing users to a network of external sites, likely for phishing or to serve further malicious content.
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://rhhandyman.net/uploads/1/3/0/5/130539940/130539940.html#guia+protocolo+de+investigacion+ops PDF link annotation
- http://saeart.com/uploads/1/3/0/5/130589401/riraf.pdfIn PDF document text
- http://ambrosialart.com/uploads/1/3/0/5/130551248/firavuxod_bofikevabipin_mifog_sutoso.pdfIn PDF document text
- http://understanding-pain.com/uploads/1/3/0/4/130488198/1346037.pdfIn PDF document text
- http://midsomersetmartialarts.com/uploads/1/3/0/5/130542755/5816330.pdfIn PDF document text
- http://botoxbuyersguide.com/uploads/1/3/0/9/130969818/7355662.pdfIn PDF document text
- http://stillazafu.com/uploads/1/3/0/5/130590278/sapitubukibo_tisejeduwo.pdfIn PDF document text
- http://netmotiondemo.com/uploads/1/3/0/5/130588517/5212314.pdfIn PDF document text
- http://rkcguns.com/uploads/1/3/0/4/130476491/7675769.pdfIn PDF document text
- http://timings.ca/uploads/1/3/0/6/130640183/35b056d95e.pdfIn PDF document text
- http://fitpantherapparel.com/uploads/1/3/0/8/130813528/mafanajef-bafek-sulelo-ledufakepag.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_off000097a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97A3 | 9596 bytes |
SHA-256: 58a43df88ff522c1717a9a6f52b951d8f682205b11fc413cd8c729aad1dc7b97 |
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font_01_sfnt_off0000b9d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9D2 | 16112 bytes |
SHA-256: e5ccfd3f99ebc43cdff36d9dbb23b893a35b61ae846029f319c9c4559a202207 |
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