MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document is identified as malicious by an ML classifier and contains a large number of external links, many of which point to other PDF files. The document body suggests a lure related to 'Simulador de word 2016'. The presence of numerous external links, particularly to other PDFs, indicates a potential SEO poisoning or link farm tactic to distribute malicious content or redirect users to phishing sites. No scripts were extracted, but the heuristic firings strongly suggest a malicious intent related to link manipulation and redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://francescocamuglia.com/uploads/1/3/0/7/130740166/130740166.html#simulador+de+word+2016 PDF link annotation
- http://kelseywatts.com/uploads/1/3/1/4/131407901/gerodimexidududazike.pdfIn PDF document text
- http://scottrosenthalphoto.com/uploads/1/3/0/4/130476385/rarifozexositijaxo.pdfIn PDF document text
- http://apg-security.biz/uploads/1/3/0/3/130323592/f785a8e62a33.pdfIn PDF document text
- http://thechristiangiftshoppe.com/uploads/1/3/0/7/130776356/wisokajes.pdfIn PDF document text
- http://scuwibblog.com/uploads/1/3/1/6/131606844/f36932.pdfIn PDF document text
- http://izotza.com/uploads/1/3/0/7/130738753/b49e9.pdfIn PDF document text
- http://maescarpetcleaningcharlotte.com/uploads/1/3/1/4/131453354/6117693.pdfIn PDF document text
- http://wiretheworldnow.com/uploads/1/3/0/5/130589121/7075425.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E73 | 21916 bytes |
SHA-256: fadf5156028cb1d3e1036864ffe3be99c72ed29d6e2b7b147a8df3e58a2075d2 |
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