MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF file was flagged by an ML classifier as malicious and contains a large number of external links, characteristic of a link farm. The document body, though partially corrupted, contains text related to 'wkhtmltopdf' and a date, suggesting it was generated programmatically. The primary attack pattern involves directing users to numerous external PDF files hosted on various domains, likely for SEO manipulation 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://np-3.com/uploads/1/3/0/9/130969987/130969987.html#level+5+aetherial+wheel+stand
- http://mta-sts.swilliamsphotos.com/uploads/1/3/0/7/130739789/61cf6cf4254e2.pdf
- http://amandacrosby.com/uploads/1/3/0/7/130776889/277000.pdf
- http://thepathofservice.org/uploads/1/3/0/5/130540493/319619494b0.pdf
- http://1650lakecook.com/uploads/1/3/0/4/130436163/9859890.pdf
- http://seatsandracks.com/uploads/1/3/1/4/131454549/3519490.pdf
- http://southernforestshoney.com/uploads/1/3/0/9/130969920/9851797.pdf
- http://iezrareresources.com/uploads/1/3/0/7/130739802/3944119.pdf
- http://np-3.com/uploads/1/3/0/9/130969987/terms.html
- http://np-3.com/uploads/1/3/0/9/130969987/dmca.html
- http://np-3.com/uploads/1/3/0/9/130969987/policy.html
- http://np-3.com/upload
- https://gebumubub.files.wordpress.com/2020/06/sisokisusokado.pdf
- https://gamudafesawa666056143.files.wordpress.com/2020/06/luvujatena.pdf
- https://bujiwilofife.files.wordpress.com/2020/06/vagowekamutut.pdf
- https://xovexin.files.wordpress.com/2020/06/42773868622.pdf
- https://vaxatuwo.files.wordpress.com/2020/06/xikikuvimewoxumebitaxafuw.pdf
- https://nemopopa.files.wordpress.com/2020/06/41871775796.pdf
- https://mowatupuj.files.wordpress.com/2020/06/9378289888.pdf
- https://vurizuzuni.files.wordpress.com/2020/06/sifatunerilokin.pdf
- https://berilin.files.wordpress.com/2020/06/fevenufabivibubipaguro.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_off00006605.bin784160ef85e1d6685ba459018757bb25e6be92d6420bcba4b1c5149f7ce82ded |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6605 | 10520 bytes |
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