MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, many of which are numerically or slug-based, suggesting a link farm for SEO manipulation. The document body, though partially corrupted, contains text indicating it is a 'formal letter of request' and includes the wkhtmltopdf generator, which is often used to create such documents. The primary attack pattern involves luring the user to visit these external URLs, which are likely malicious or lead to malicious content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://maiereducationalconsultants.com/uploads/1/3/0/6/130620873/130620873.html#a+formal+letter+of+request
- http://jacksoncountyiowatourism.com/uploads/1/3/0/7/130740508/4961846.pdf
- http://candlelight-rsk.com/uploads/1/3/0/9/130969473/xelabumudenobareno.pdf
- http://olechnacampfire.com/uploads/1/3/0/7/130775997/rufadin-buvad-guzobuvige-sidonib.pdf
- http://alaskahealinghands.com/uploads/1/3/0/6/130604803/moverasetitur_gogeriwinivor_kirixakiv_mizopina.pdf
- http://harrisonburgdui.com/uploads/1/3/0/9/130969774/xewelotixutono_gorufomeg.pdf
- http://mendhikabyd.com/uploads/1/3/0/5/130541688/3228142.pdf
- http://bradwarnermedia.com/uploads/1/3/0/6/130604312/6667043.pdf
- http://articlesofasentimentalist.com/uploads/1/3/0/3/130313643/foremuve.pdf
- http://giving2day.com/uploads/1/3/1/4/131483488/5737726.pdf
- http://spicyglitter.com/uploads/1/3/1/4/131408131/luvigepapizoxekokixu.pdf
- http://myworldlicense.org/uploads/1/3/0/7/130740196/mavefana.pdf
- http://carringtonrealty.net/uploads/1/3/1/3/131398544/7322163.pdf
- http://alicialopez.net/uploads/1/3/1/3/131379608/demademorew_sozejusewor_rulixakawa_tazitige.pdf
- http://expertaenvaciones.com/uploads/1/3/1/4/131437969/rudegasejesesit.pdf
- http://cardioanestjc.com/uploads/1/3/0/3/130323157/06e06faff7d5734.pdf
- http://earsbylnc.net/uploads/1/3/0/6/130605217/883811.pdf
- http://high5lunch.com/uploads/1/3/0/8/130874156/fojuz-jibevo-xonumikidi-tavivu.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 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000700f.bin65437dec2d1d7306ba9ec3af73e0aaf56970252ee2248a0cb842604ae0fd6d3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x700F | 10412 bytes |
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