MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML_NYX_PDF_MALICIOUS heuristic also strongly indicates malicious intent. The embedded document body text is heavily obfuscated and appears to be a mix of metadata and corrupted content, but it does contain URLs that are also listed in the extracted URLs. The primary attack pattern appears to be directing users to a link farm, likely for SEO poisoning or to host 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://toeachfromeach.org/uploads/1/3/0/5/130588924/130588924.html#sgplot+x+axis+values
- http://hostmaster.serlogistics.co.uk/uploads/1/3/0/6/130620833/nanaziguxera.pdf
- http://mta-sts.lists.dellxl.org/uploads/1/3/0/6/130639504/levotizeki.pdf
- http://battlecreekbh.com/uploads/1/3/0/7/130775189/kumisowomozulom-zivubenik-fefulotipixe-vewegiroxaj.pdf
- http://soniashearer.com/uploads/1/3/0/7/130776585/fbc9116b87.pdf
- http://teammonstersinthemaking.com/uploads/1/3/0/6/130604838/39b8f.pdf
- http://gravtech.org/uploads/1/3/0/5/130542863/lugojonig_sozuf.pdf
- http://shafact.com/uploads/1/3/1/1/131164136/3260625.pdf
- http://readcoolbeans.com/uploads/1/3/0/3/130379155/4191705.pdf
- http://www.tstraw.com/uploads/1/3/0/7/130739264/8707851.pdf
- http://thomasdalonzood.com/uploads/1/3/0/6/130621191/584e8d866.pdf
- http://bamsalesteam.com/uploads/1/3/0/7/130775355/5924434.pdf
- http://fartingbananas.com/uploads/1/3/0/5/130539922/9562409.pdf
- http://nataliahermida.com/uploads/1/3/0/7/130738752/1743835.pdf
- http://team329.com/uploads/1/3/0/4/130483147/fe8f64aeaa0cbb.pdf
- http://www.academymededfellowship.com/uploads/1/3/0/9/130969800/xinosel.pdf
- http://mta-sts.kato-drumschool.com/uploads/1/3/0/7/130776220/povemasasuboxamav.pdf
- http://www.easterndominican.org/uploads/1/3/0/6/130620295/3b8eded1d1.pdf
- http://lifeexperienceprofile.org/uploads/1/3/0/5/130544539/kuvofokolumibaseg.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_off0000768d.binb0b38b2e60ed3d7ce8a93396cdff0158e5e9b24f3104add1054609dbe9551845 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x768D | 8200 bytes |
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