MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded external links, a technique often used for SEO spam or to redirect users to malicious websites. The ML classifier strongly indicated maliciousness, and the PDF structure suggests it's part of a link farm. While no scripts were explicitly extracted, the presence of numerous external URLs points towards a malicious intent to redirect users.
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://gjh40.slpny.com/uploads/1/3/0/2/130272260/130272260.html#operaciones+unitarias+en+ingenieria+quimica+6ta+edicion+pdf
- http://jkconstructionremodelingllc.com/uploads/1/3/0/7/130738572/6692135.pdf
- http://webmail.yourendoflifeguide.com/uploads/1/3/0/7/130739669/bovoxox.pdf
- http://mta-sts.mx.massageandskintherapybykaren.com/uploads/1/3/1/4/131438110/16b8e50.pdf
- http://thehapticmind.com/uploads/1/3/0/8/130813852/wumoxi-zejelazuluvugom.pdf
- http://editwizards.com/uploads/1/3/0/6/130621393/9194140.pdf
- http://amitahuja.com/uploads/1/3/0/6/130639369/3f0d11dd8869c3d.pdf
- http://elitesecuritywv.com/uploads/1/3/0/4/130436202/4841268.pdf
- http://tridentjobs.com/uploads/1/3/0/7/130739793/5316683.pdf
- http://bentworthcommunitycenter.com/uploads/1/3/1/4/131407734/6444a5e3.pdf
- http://wheelerldealer.com/uploads/1/3/0/2/130287428/a0301.pdf
- http://bounce4joyrentals.com/uploads/1/3/1/3/131380021/ligadasudefa.pdf
- http://flashtrailers.com/uploads/1/3/0/9/130969343/mapesu.pdf
- http://gracelifecollege.org/uploads/1/3/0/5/130540146/sugijerodasogos.pdf
- http://crystalclearkayakadventure.com/uploads/1/3/1/8/131856666/7491415.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://gifamadez.files.wordpress.com/2020/06/wumebelawi.pdf
- https://fodufeg.files.wordpress.com/2020/06/56265015391.pdf
- https://sizelomitek.files.wordpress.com/2020/06/44979401228.pdf
- https://rokoxopudese.files.wordpress.com/2020/06/masatep.pdf
- https://fosapab.files.wordpress.com/2020/06/kofurobuvi.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/
- http://scripts.sil.org/OFL
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec9a.bin0ac02da15eb285ea697aa42e40184493ea868c9abe23b8ffb04d71f014713099 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC9A | 13212 bytes |
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