MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier as malicious. It contains a large number of external links, many of which point to other PDF files hosted on similar domains, indicating a link farm or SEO spamming operation. The primary attack pattern involves directing users to these external resources, which could host further malicious content or phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://newstylemarket.com/uploads/1/3/0/7/130776790/130776790.html#ediciones+castillo+examenes+bimestra PDF link annotation
- http://passmankade.com/uploads/1/3/1/1/131163617/rimeru-bifagavos.pdfIn PDF document text
- http://aspenvalleyassistedliving.com/uploads/1/3/0/6/130603835/wefedomejebifo.pdfIn PDF document text
- http://hostmaster.swanseaspeechandlanguage.co.uk/uploads/1/3/1/1/131163737/finudal-lepera.pdfIn PDF document text
- http://parkinharrisburg.com/uploads/1/3/0/6/130621905/sozim.pdfIn PDF document text
- http://comedybeastradio.com/uploads/1/3/0/6/130640078/132015.pdfIn PDF document text
- http://villageorgiamartinique.com/uploads/1/3/0/5/130590219/5224710.pdfIn PDF document text
- http://bspotlessllc.org/uploads/1/3/0/7/130739381/nakubexaniwobuvaw.pdfIn PDF document text
- http://singersandactorsworkshop.com/uploads/1/3/1/3/131384145/1486619.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ca88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA88 | 1712 bytes |
SHA-256: 7df88723569d4193f530fe437fb919d713328a77de93ba1b94bee14e62ba1f6b |
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font_01_sfnt_off0000d264.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD264 | 11704 bytes |
SHA-256: a95236b38648a20e19c8d6b59391779ae9ef5324f69c7725219a1044237adc64 |
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font_02_sfnt_off0000fa33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA33 | 16036 bytes |
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63 |
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