MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded external links, as detected by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains the phrase 'Orden de prioridad de los operadores aritmeticos' and references wkhtmltopdf, suggesting it might be a lure document. The primary function appears to be directing users to a network of linked PDF files hosted on various domains, likely for SEO spam or to distribute 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://thewesternstyleguide.com/uploads/1/3/0/5/130588266/130588266.html#orden+de+prioridad+de+los+operadores+aritmeticos
- http://robdonaldcoaching.com/uploads/1/3/0/7/130740202/suvigapugu.pdf
- http://bellafiore-charlotte.com/uploads/1/3/0/8/130813332/monen.pdf
- http://tk2services.com/uploads/1/3/0/2/130289380/37bfe7490217.pdf
- http://myoppconsulting.com/uploads/1/3/0/4/130489933/gupusuwopa-nugomozeb-polujinox.pdf
- http://armentalandscapeco.com/uploads/1/3/0/3/130323407/8594760.pdf
- http://alpinwork.eu/uploads/1/3/0/9/130969699/1413198.pdf
- http://gustafsonsjerky.com/uploads/1/3/0/2/130289292/637911.pdf
- http://austintexasevents.com/uploads/1/3/0/9/130969310/pojivukune.pdf
- http://protectamericasborders.com/uploads/1/3/0/5/130545447/5560981.pdf
- http://ahnadunnwilder.com/uploads/1/3/0/6/130621161/6613645.pdf
- http://intentionalfamilyheritage.com/uploads/1/3/0/6/130603982/pevimopapalokarebi.pdf
- http://jr-weddings.com/uploads/1/3/0/8/130813966/84c0cb6.pdf
- http://digitalbusinessedgewebsitepreview1.com/uploads/1/3/0/7/130775632/3328315.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007b36.bind045e10ba6bef28521a78edf4bf70c203bf00309e2d081a9626ead9b81091590 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B36 | 11104 bytes |
font_01_sfnt_off0000a311.bine91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA311 | 2652 bytes |
font_02_sfnt_off0000ac78.bin779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC78 | 16036 bytes |
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