MALICIOUS
92
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, pointing to various domains. The ML_NYX_PDF_MALICIOUS heuristic also strongly indicates malicious intent. The document body, though partially corrupted, contains text related to chemistry questions and authoring application details, suggesting a lure to disguise the malicious link distribution. The primary attack pattern involves directing users to a vast network of external PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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://mrheff.com/uploads/1/3/0/5/130539842/130539842.html#shapes+of+molecules+a+level+chemistry+questions
- http://merlotandamovie.com/uploads/1/3/0/5/130588790/vepuzumusetukebufo.pdf
- http://employlanguages.com/uploads/1/3/0/2/130274291/f0fa7c48f0.pdf
- http://velobristol.com/uploads/1/3/0/5/130590458/1410086.pdf
- http://veeravelmanivannan.com/uploads/1/3/0/6/130621576/rirekaregu_mitozefav_besopevaxuvo_kafadak.pdf
- http://gigzrus.com/uploads/1/3/0/3/130312953/gisiruluxoweni.pdf
- http://inversefootwear.com/uploads/1/3/0/3/130313173/9657080.pdf
- http://styer-fitzgerald.org/uploads/1/3/0/5/130588674/ef453.pdf
- http://millscollisioncenter.com/uploads/1/3/0/8/130813630/javozusuk.pdf
- http://mylureclaim.com/uploads/1/3/0/8/130814338/fevumatoramumiwex.pdf
- http://mx.hacd.org/uploads/1/3/0/7/130739618/wukabatejifizux.pdf
- http://flemingfilms.com/uploads/1/3/0/6/130620751/toxuradosajuzizima.pdf
- http://mybluejeansbookkeeping.com/uploads/1/3/0/7/130740149/sinopuzugavof.pdf
- http://medquipltd.com/uploads/1/3/1/0/131070792/wijovarisirode.pdf
- http://www.jonoma.net/uploads/1/3/0/7/130740374/dijakerepig.pdf
- http://www.epeecow.com/uploads/1/3/0/5/130542769/dajofuse_dafurugek.pdf
- http://savhandyman.com/uploads/1/3/0/3/130323513/botexi-jakasibaxutoz.pdf
- http://symbolforschung.net/uploads/1/3/0/7/130739662/4607893.pdf
- http://opportunitesante.com/uploads/1/3/0/7/130775776/daguwaviju.pdf
- http://kabadventures.com/uploads/1/3/0/7/130739267/gatizomewofipuzomawu.pdf
- http://qhsindy.com/uploads/1/3/0/5/130588318/mivojuf.pdf
- http://hostmaster.portfields.org/uploads/1/3/0/7/130740589/2480680.pdf
- http://www.funkytownpedicab.com/uploads/1/3/0/2/130270931/wadamurumatupuv.pdf
- http://www.tfsonorientation.com/uploads/1/3/0/9/130968915/6120011.pdf
- http://blueraspberryscarves.com/uploads/1/3/0/6/130621301/1492936.pdf
- http://northwalestimberframes.com/uploads/1/3/0/7/130740191/maxowanesizimu-sobeli-kawexilepedepa.pdf
- http://blueraspberryscarves.com/uploads/1/3/0/6/130621301/149
- 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_off00007094.bin15e35e7c6b8a4e39029776f3c4807763370b30efa9666057908e6fc1a2b09a95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7094 | 7948 bytes |
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