MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many of which point to PDF files on unrelated domains, suggesting a link farm or SEO spam tactic. The document body, though partially corrupted, contains a reference to a formula for the area of a square and a URL, indicating a potential lure to a malicious website. The ML classifier strongly flagged this PDF as malicious.
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://annotalegal.com/uploads/1/3/0/6/130604078/130604078.html#formula+de+area+de+un+cuadrado+ejemplos PDF link annotation
- http://mryanki.com/uploads/1/3/0/3/130379231/neriropogokimov.pdfIn PDF document text
- http://lmcommunityfoundation.org/uploads/1/3/0/5/130539642/fapelu.pdfIn PDF document text
- http://thepcsonline.com/uploads/1/3/0/2/130274088/0f72b269.pdfIn PDF document text
- http://www.cirkas.info/uploads/1/3/0/3/130313698/5140069.pdfIn PDF document text
- http://mka-remix.com/uploads/1/3/0/2/130271046/06f8649.pdfIn PDF document text
- http://www.solstrandkonferansen.com/uploads/1/3/0/5/130590257/pomorugala_nogofizexudeliz.pdfIn PDF document text
- http://humptybumptybubble.com/uploads/1/3/0/7/130740221/tedusow.pdfIn PDF document text
- http://www.purplebutterflykids.shop/uploads/1/3/0/7/130738850/vigivelek.pdfIn PDF document text
- http://heartellectual.com/uploads/1/3/0/7/130738712/896cb9d5c6a55.pdfIn PDF document text
- http://darlingparrots.com/uploads/1/3/0/6/130620356/sizejugipo.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://www.adobe.com/).NotoIn PDF document text
- http://www.google.com/get/noto/http://www.adobe.com/type/ThisIn PDF document text
- http://scripts.sil.org/OFLNotoIn 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_off00006d40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D40 | 11380 bytes |
SHA-256: ead39de356059158f48a8758abdddbbdbe4564527e16cef6963c0b1b24509af6 |
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font_01_sfnt_off000092fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92FC | 6144 bytes |
SHA-256: e6247172e152b2beb611611cd8c41fc3c3fbe19307a0d04255cee9b1fa8ccfcd |
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font_02_sfnt_off0000a6d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6D8 | 16036 bytes |
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63 |
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